Running 'testthat.R' [36s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(rbioacc)
  > 
  > test_check("rbioacc")
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000264 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 2.64 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.002 seconds (Warm-up)
  Chain 1:                0.002 seconds (Sampling)
  Chain 1:                0.004 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 3.7e-05 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 0.37 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.01 seconds (Warm-up)
  Chain 2:                0.001 seconds (Sampling)
  Chain 2:                0.011 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000178 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 1.78 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.007 seconds (Warm-up)
  Chain 1:                0.01 seconds (Sampling)
  Chain 1:                0.017 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: 
  Chain 2: Gradient evaluation took 0.000162 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 1.62 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.007 seconds (Warm-up)
  Chain 2:                0.002 seconds (Sampling)
  Chain 2:                0.009 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000119 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 1.19 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.016 seconds (Warm-up)
  Chain 1:                0.018 seconds (Sampling)
  Chain 1:                0.034 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 0.000118 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 1.18 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.008 seconds (Warm-up)
  Chain 2:                0.003 seconds (Sampling)
  Chain 2:                0.011 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 2.8e-05 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.28 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.001 seconds (Warm-up)
  Chain 1:                0.001 seconds (Sampling)
  Chain 1:                0.002 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 2.3e-05 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 0.23 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0 seconds (Warm-up)
  Chain 2:                0.001 seconds (Sampling)
  Chain 2:                0.001 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000312 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 3.12 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.012 seconds (Warm-up)
  Chain 1:                0.017 seconds (Sampling)
  Chain 1:                0.029 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: 
  Chain 2: Gradient evaluation took 0.000257 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 2.57 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.009 seconds (Warm-up)
  Chain 2:                0.011 seconds (Sampling)
  Chain 2:                0.02 seconds (Total)
  Chain 2: 
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for fill is already present.
  Adding another scale for fill, which will replace the existing scale.
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for fill is already present.
  Adding another scale for fill, which will replace the existing scale.
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 3e-05 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.3 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.001 seconds (Warm-up)
  Chain 1:                0.001 seconds (Sampling)
  Chain 1:                0.002 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 3.8e-05 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 0.38 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.02 seconds (Warm-up)
  Chain 2:                0.013 seconds (Sampling)
  Chain 2:                0.033 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000219 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 2.19 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.01 seconds (Warm-up)
  Chain 1:                0.01 seconds (Sampling)
  Chain 1:                0.02 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 0.00016 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 1.6 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.012 seconds (Warm-up)
  Chain 2:                0.01 seconds (Sampling)
  Chain 2:                0.022 seconds (Total)
  Chain 2: 
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for colour is already present.
  Adding another scale for colour, which will replace the existing scale.
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for colour is already present.
  Adding another scale for colour, which will replace the existing scale.
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for colour is already present.
  Adding another scale for colour, which will replace the existing scale.
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for colour is already present.
  Adding another scale for colour, which will replace the existing scale.
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for colour is already present.
  Adding another scale for colour, which will replace the existing scale.
  Loading required namespace: coda
  Failed with error:  'there is no package called 'coda''
  Scale for colour is already present.
  Adding another scale for colour, which will replace the existing scale.
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 4.7e-05 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.47 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 1: 
  Chain 1:  Elapsed Time: 0.01 seconds (Warm-up)
  Chain 1:                0.015 seconds (Sampling)
  Chain 1:                0.025 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 3.9e-05 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 0.39 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 2: Iteration: 2 / 10 [ 20%]  (Warmup)
  Chain 2: Iteration: 3 / 10 [ 30%]  (Warmup)
  Chain 2: Iteration: 4 / 10 [ 40%]  (Warmup)
  Chain 2: Iteration: 5 / 10 [ 50%]  (Warmup)
  Chain 2: Iteration: 6 / 10 [ 60%]  (Sampling)
  Chain 2: Iteration: 7 / 10 [ 70%]  (Sampling)
  Chain 2: Iteration: 8 / 10 [ 80%]  (Sampling)
  Chain 2: Iteration: 9 / 10 [ 90%]  (Sampling)
  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.009 seconds (Warm-up)
  Chain 2:                0.008 seconds (Sampling)
  Chain 2:                0.017 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 3).
  Chain 3: 
  Chain 3: Gradient evaluation took 3.5e-05 seconds
  Chain 3: 1000 transitions using 10 leapfrog steps per transition would take 0.35 seconds.
  Chain 3: Adjust your expectations accordingly!
  Chain 3: 
  Chain 3: 
  Chain 3: WARNING: No variance estimation is
  Chain 3:          performed for num_warmup < 20
  Chain 3: 
  Chain 3: Iteration: 1 / 10 [ 10%]  (Warmup)
  Chain 3: Iteration: 2 / 10 [ 20%]  (Warmup)
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  Chain 3: 
  Chain 3:  Elapsed Time: 0.019 seconds (Warm-up)
  Chain 3:                0.002 seconds (Sampling)
  Chain 3:                0.021 seconds (Total)
  Chain 3: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 4).
  Chain 4: 
  Chain 4: Gradient evaluation took 4.3e-05 seconds
  Chain 4: 1000 transitions using 10 leapfrog steps per transition would take 0.43 seconds.
  Chain 4: Adjust your expectations accordingly!
  Chain 4: 
  Chain 4: 
  Chain 4: WARNING: No variance estimation is
  Chain 4:          performed for num_warmup < 20
  Chain 4: 
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  Chain 4: 
  Chain 4:  Elapsed Time: 0.018 seconds (Warm-up)
  Chain 4:                0.008 seconds (Sampling)
  Chain 4:                0.026 seconds (Total)
  Chain 4: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000167 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 1.67 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.011 seconds (Warm-up)
  Chain 1:                0.017 seconds (Sampling)
  Chain 1:                0.028 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: 
  Chain 2: Gradient evaluation took 0.000266 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 2.66 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 2: 
  Chain 2:  Elapsed Time: 0.014 seconds (Warm-up)
  Chain 2:                0.016 seconds (Sampling)
  Chain 2:                0.03 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 3).
  Chain 3: Rejecting initial value:
  Chain 3:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 3:   Stan can't start sampling from this initial value.
  Chain 3: Rejecting initial value:
  Chain 3:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 3:   Stan can't start sampling from this initial value.
  Chain 3: Rejecting initial value:
  Chain 3:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 3:   Stan can't start sampling from this initial value.
  Chain 3: Rejecting initial value:
  Chain 3:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 3:   Stan can't start sampling from this initial value.
  Chain 3: 
  Chain 3: Gradient evaluation took 0.000168 seconds
  Chain 3: 1000 transitions using 10 leapfrog steps per transition would take 1.68 seconds.
  Chain 3: Adjust your expectations accordingly!
  Chain 3: 
  Chain 3: 
  Chain 3: WARNING: No variance estimation is
  Chain 3:          performed for num_warmup < 20
  Chain 3: 
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  Chain 3: 
  Chain 3:  Elapsed Time: 0.011 seconds (Warm-up)
  Chain 3:                0.016 seconds (Sampling)
  Chain 3:                0.027 seconds (Total)
  Chain 3: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 4).
  Chain 4: 
  Chain 4: Gradient evaluation took 0.000232 seconds
  Chain 4: 1000 transitions using 10 leapfrog steps per transition would take 2.32 seconds.
  Chain 4: Adjust your expectations accordingly!
  Chain 4: 
  Chain 4: 
  Chain 4: WARNING: No variance estimation is
  Chain 4:          performed for num_warmup < 20
  Chain 4: 
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  Chain 4: 
  Chain 4:  Elapsed Time: 0.009 seconds (Warm-up)
  Chain 4:                0.01 seconds (Sampling)
  Chain 4:                0.019 seconds (Total)
  Chain 4: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000129 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 1.29 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.011 seconds (Warm-up)
  Chain 1:                0.017 seconds (Sampling)
  Chain 1:                0.028 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 0.000133 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 1.33 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
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  Chain 2: 
  Chain 2:  Elapsed Time: 0.008 seconds (Warm-up)
  Chain 2:                0.013 seconds (Sampling)
  Chain 2:                0.021 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 3).
  Chain 3: 
  Chain 3: Gradient evaluation took 0.00012 seconds
  Chain 3: 1000 transitions using 10 leapfrog steps per transition would take 1.2 seconds.
  Chain 3: Adjust your expectations accordingly!
  Chain 3: 
  Chain 3: 
  Chain 3: WARNING: No variance estimation is
  Chain 3:          performed for num_warmup < 20
  Chain 3: 
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  Chain 3: 
  Chain 3:  Elapsed Time: 0.017 seconds (Warm-up)
  Chain 3:                0.017 seconds (Sampling)
  Chain 3:                0.034 seconds (Total)
  Chain 3: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 4).
  Chain 4: 
  Chain 4: Gradient evaluation took 0.000127 seconds
  Chain 4: 1000 transitions using 10 leapfrog steps per transition would take 1.27 seconds.
  Chain 4: Adjust your expectations accordingly!
  Chain 4: 
  Chain 4: 
  Chain 4: WARNING: No variance estimation is
  Chain 4:          performed for num_warmup < 20
  Chain 4: 
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  Chain 4: 
  Chain 4:  Elapsed Time: 0.012 seconds (Warm-up)
  Chain 4:                0.017 seconds (Sampling)
  Chain 4:                0.029 seconds (Total)
  Chain 4: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 4.8e-05 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.48 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.004 seconds (Warm-up)
  Chain 1:                0.002 seconds (Sampling)
  Chain 1:                0.006 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 3.4e-05 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 0.34 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 2: 
  Chain 2:  Elapsed Time: 0.001 seconds (Warm-up)
  Chain 2:                0.01 seconds (Sampling)
  Chain 2:                0.011 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000284 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 2.84 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.012 seconds (Warm-up)
  Chain 1:                0.017 seconds (Sampling)
  Chain 1:                0.029 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 0.00016 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 1.6 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
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  Chain 2: 
  Chain 2:  Elapsed Time: 0.012 seconds (Warm-up)
  Chain 2:                0.017 seconds (Sampling)
  Chain 2:                0.029 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 5.2e-05 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.52 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.011 seconds (Warm-up)
  Chain 1:                0.014 seconds (Sampling)
  Chain 1:                0.025 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 3.9e-05 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 0.39 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 2: 
  Chain 2:  Elapsed Time: 0.011 seconds (Warm-up)
  Chain 2:                0.017 seconds (Sampling)
  Chain 2:                0.028 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000231 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 2.31 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.015 seconds (Warm-up)
  Chain 1:                0.003 seconds (Sampling)
  Chain 1:                0.018 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: 
  Chain 2: Gradient evaluation took 0.000268 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 2.68 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 2: 
  Chain 2:  Elapsed Time: 0.012 seconds (Warm-up)
  Chain 2:                0.017 seconds (Sampling)
  Chain 2:                0.029 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: 
  Chain 1: Gradient evaluation took 4.6e-05 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.46 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.01 seconds (Warm-up)
  Chain 1:                0.001 seconds (Sampling)
  Chain 1:                0.011 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: 
  Chain 2: Gradient evaluation took 4.5e-05 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 0.45 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
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  Chain 2: 
  Chain 2:  Elapsed Time: 0.015 seconds (Warm-up)
  Chain 2:                0.001 seconds (Sampling)
  Chain 2:                0.016 seconds (Total)
  Chain 2: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 1).
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: Rejecting initial value:
  Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 1:   Stan can't start sampling from this initial value.
  Chain 1: 
  Chain 1: Gradient evaluation took 0.000159 seconds
  Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 1.59 seconds.
  Chain 1: Adjust your expectations accordingly!
  Chain 1: 
  Chain 1: 
  Chain 1: WARNING: No variance estimation is
  Chain 1:          performed for num_warmup < 20
  Chain 1: 
  Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 1: 
  Chain 1:  Elapsed Time: 0.01 seconds (Warm-up)
  Chain 1:                0.01 seconds (Sampling)
  Chain 1:                0.02 seconds (Total)
  Chain 1: 
  
  SAMPLING FOR MODEL 'TK' NOW (CHAIN 2).
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: Rejecting initial value:
  Chain 2:   Log probability evaluates to log(0), i.e. negative infinity.
  Chain 2:   Stan can't start sampling from this initial value.
  Chain 2: 
  Chain 2: Gradient evaluation took 0.000157 seconds
  Chain 2: 1000 transitions using 10 leapfrog steps per transition would take 1.57 seconds.
  Chain 2: Adjust your expectations accordingly!
  Chain 2: 
  Chain 2: 
  Chain 2: WARNING: No variance estimation is
  Chain 2:          performed for num_warmup < 20
  Chain 2: 
  Chain 2: Iteration: 1 / 10 [ 10%]  (Warmup)
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  Chain 2: Iteration: 10 / 10 [100%]  (Sampling)
  Chain 2: 
  Chain 2:  Elapsed Time: 0.008 seconds (Warm-up)
  Chain 2:                0.01 seconds (Sampling)
  Chain 2:                0.018 seconds (Total)
  Chain 2: 
  [ FAIL 5 | WARN 89 | SKIP 9 | PASS 75 ]
  
  ══ Skipped tests (9) ═══════════════════════════════════════════════════════════
  • On CRAN (6): 'test-elim.R:3:3', 'test-fit.R:3:3', 'test-fitODE.R:3:3',
    'test-predict.R:3:3', 'test-predict.R:61:3', 'test-predict_manual.R:3:3'
  • empty test (3): 'test-PP.R:1:1', 'test-correlation.R:1:1', 'test-ppc.R:1:1'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure ('test-correlation.R:28:5'): corrPlot ───────────────────────────────
  all(class(plt_MGS) == c("gg", "ggmatrix")) is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  ── Failure ('test-correlation.R:29:5'): corrPlot ───────────────────────────────
  all(class(plt_MGS_det) == c("gg", "ggmatrix")) is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  ── Failure ('test-correlation.R:30:5'): corrPlot ───────────────────────────────
  all(class(plt_MGSG) == c("gg", "ggmatrix")) is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  ── Failure ('test-correlation.R:31:5'): corrPlot ───────────────────────────────
  all(class(plt_MGSG_det) == c("gg", "ggmatrix")) is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  ── Failure ('test-correlation.R:32:5'): corrPlot ───────────────────────────────
  all(class(plt_MGSG_sto) == c("gg", "ggmatrix")) is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  
  [ FAIL 5 | WARN 89 | SKIP 9 | PASS 75 ]
  Error: Test failures
  Execution halted