• using R version 4.1.2 (2021-11-01)
• using platform: x86_64-apple-darwin17.0 (64-bit)
• using session charset: UTF-8
• checking for file ‘predint/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘predint’ version ‘2.0.0’
• 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 executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘predint’ can be installed ... [8s/8s] OK
• checking installed package size ... OK
• checking package 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 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 ... [7s/7s] OK
• checking Rd files ... [1s/1s] 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 contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking LazyData ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking examples ... [7s/7s] OK
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [36s/36s] OK
    Running ‘testthat.R’ [36s/36s]
• checking PDF version of manual ... WARNING
  LaTeX errors when creating PDF version.
  This typically indicates Rd problems.
  LaTeX errors found:
  ! Undefined control sequence.
  <argument> ...1}^{C+1} \hat {\sigma }^2_c}, \text
                                                    { } \hat {\mu } + q^{calib...
  l.963 ...m_{c=1}^{C+1} \hat{\sigma}^2_c} \Big].}{}
                                                    
  ! Undefined control sequence.
  <argument> ...1}^{C+1} \hat {\sigma }^2_c}, \text
                                                    { } \hat {\mu } + q^{calib...
  l.1138 ..._{c=1}^{C+1} \hat{\sigma}^2_c} \Big].}{}
                                                    
  ! Undefined control sequence.
  <argument> ...1}^{C+1} \hat {\sigma }^2_c}, \text
                                                    { } \hat {\mu } + q^{calib...
  l.1289 ..._{c=1}^{C+1} \hat{\sigma}^2_c} \Big].}{}
                                                    
• checking PDF version of manual without hyperrefs or index ... ERROR
• DONE
  Status: 1 ERROR, 1 WARNING
• using check arguments '--no-clean-on-error '