* using log directory 'd:/Rcompile/CRANpkg/local/3.4/interactions.Rcheck'
* using R version 3.4.4 (2018-03-15)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'interactions/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'interactions' version '1.0.0'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'interactions' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [11s] OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... ERROR
Running examples in 'interactions-Ex.R' failed
The error most likely occurred in:

> ### Name: probe_interaction
> ### Title: Probe interaction effects via simple slopes and plotting
> ### Aliases: probe_interaction
> 
> ### ** Examples
> 
> 
> # Using a fitted model as formula input
> fiti <- lm(Income ~ Frost + Murder * Illiteracy,
+   data=as.data.frame(state.x77))
> probe_interaction(model = fiti, pred = Murder, modx = Illiteracy,
+                   modx.values = "plus-minus")
JOHNSON-NEYMAN INTERVAL 

When Illiteracy is OUTSIDE the interval [0.68, 2.20], the slope of Murder
is p < .05.

Note: The range of observed values of Illiteracy is [0.50, 2.80]

SIMPLE SLOPES ANALYSIS 

Slope of Murder when Illiteracy = 1.78 (+ 1 SD): 

Error in isFALSE(row.names) : could not find function "isFALSE"
Calls: <Anonymous> ... print.probe_interaction -> print -> print.sim_slopes -> print -> md_table
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [71s] OK
  Running 'testthat.R' [71s]
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in 'inst/doc' ... OK
* checking re-building of vignette outputs ... [30s] WARNING
Error in re-building vignettes:
  ...
Warning: MathJax doesn't work with self_contained when not using the rmarkdown "default" template.
Quitting from lines 368-369 (interactions.Rmd) 
Error: processing vignette 'interactions.Rmd' failed with diagnostics:
could not find function "isFALSE"
Execution halted

* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR, 1 WARNING