Error(s) in re-building vignettes:
  ...
--- re-building ‘abalone-example.Rmd’ using rmarkdown

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 47-52 (abalone-example.Rmd) 
Error: processing vignette 'abalone-example.Rmd' failed with diagnostics:
there is no package called 'PivotalR'
--- failed re-building ‘abalone-example.Rmd’

--- re-building ‘bike-rental.Rmd’ using rmarkdown
Loading required package: SparseM

Attaching package: 'SparseM'

The following object is masked from 'package:base':

    backsolve


Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union


Attaching package: 'scales'

The following object is masked from 'package:purrr':

    discard

`geom_smooth()` using formula 'y ~ x'
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning: Removed 6 rows containing non-finite values (stat_smooth).
Warning: Removed 6 rows containing missing values (geom_point).
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning: Continuous limits supplied to discrete scale.
Did you mean `limits = factor(...)` or `scale_*_continuous()`?
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning: Continuous limits supplied to discrete scale.
Did you mean `limits = factor(...)` or `scale_*_continuous()`?
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  at  0.99
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  radius  0.0001
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  all data on boundary of neighborhood. make span bigger
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 0.99
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 0.01
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  1
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  There are other near singularities as well. 4.0401
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  zero-width neighborhood. make span bigger
Warning: Computation failed in `stat_smooth()`:
NA/NaN/Inf in foreign function call (arg 5)
Warning: Continuous limits supplied to discrete scale.
Did you mean `limits = factor(...)` or `scale_*_continuous()`?
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning: Continuous limits supplied to discrete scale.
Did you mean `limits = factor(...)` or `scale_*_continuous()`?
Scale for 'x' is already present. Adding another scale for 'x', which will
replace the existing scale.
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at -0.005
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1.005
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  2.283e-30
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  at  1.005
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  radius  2.5e-05
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  all data on boundary of neighborhood. make span bigger
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  There are other near singularities as well. 2.5e-05
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  zero-width neighborhood. make span bigger
Warning: Computation failed in `stat_smooth()`:
NA/NaN/Inf in foreign function call (arg 5)
`geom_smooth()` using formula 'y ~ x'
Warning: Continuous limits supplied to discrete scale.
Did you mean `limits = factor(...)` or `scale_*_continuous()`?
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 0.985
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1.015
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  0
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  There are other near singularities as well. 1.0302
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 0.985
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1.015
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  0
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  There are other near singularities as well. 1.0302
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 0.985
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1.015
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  0
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  There are other near singularities as well. 1.0302
--- finished re-building ‘bike-rental.Rmd’

SUMMARY: processing the following file failed:
  ‘abalone-example.Rmd’

Error: Vignette re-building failed.
Execution halted