Error in re-building vignettes:
  ...
The 'lsmeans' package is being deprecated.
Users are encouraged to switch to 'emmeans'.
See help('transition') for more information, including how
to convert 'lsmeans' objects and scripts to work with 'emmeans'.
Loading required package: mvtnorm
Loading required package: survival
Loading required package: TH.data
Loading required package: MASS

Attaching package: 'TH.data'

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

    geyser

Note: df set to 23
Loading required package: Matrix
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
NOTE: Results may be misleading due to involvement in interactions
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required package: lattice
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
Loading required namespace: lmerTest
Failed with error:  'there is no package called 'lmerTest''
Install package 'lmerTest' to obtain Satterthwaite degrees of freedom
NOTE: Results may be misleading due to involvement in interactions
NOTE: Results may be misleading due to involvement in interactions
NOTE: Results may be misleading due to involvement in interactions
NOTE: Results may be misleading due to involvement in interactions
NOTE: Results may be misleading due to involvement in interactions

Error: processing vignette ‘using-lsmeans.rnw’ failed with diagnostics:
 chunk 85 
Error in library("mediation") : there is no package called 'mediation'
Execution halted