Error in re-building vignettes:
  ...
Loading required package: car
Loading required package: msm
Loading required package: MASS
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Warning in mloop(m = i, n = j, n.points = 100, period = 99) :
  Will not be an actual hysteresis loop if m is not odd, check plot.
Warning in floop(obj$x, obj$y, m = i, n = j, period = 99) :
  hysteresis.x and coercion only available if m=n
Quitting from lines 153-169 (index.Rmd) 
Error: processing vignette ‘index.Rmd’ failed with diagnostics:
requires numeric/complex matrix/vector arguments
Execution halted