* using log directory ‘/data/gannet/ripley/R/packages/tests-Suggests/FSelectorRcpp.Rcheck’
* using R Under development (unstable) (2024-04-19 r86451)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc-13 (GCC) 13.2.0
    GNU Fortran (GCC) 13.2.0
* running under: Fedora Linux 36 (Workstation Edition)
* using session charset: UTF-8
* using option ‘--no-stop-on-test-error’
* checking for file ‘FSelectorRcpp/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘FSelectorRcpp’ version ‘0.3.11’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... NOTE
Package suggested but not available for checking: ‘RTCGA.rnaseq’
* 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 ‘FSelectorRcpp’ can be installed ... [200s/279s] OK
* used C compiler: ‘gcc-13 (GCC) 13.2.0’
* used C++ compiler: ‘g++-13 (GCC) 13.2.0’
* 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 code 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 ... [10s/12s] OK
* checking Rd files ... NOTE
checkRd: (-1) dot-information_gain.Rd:43: Lost braces in \itemize; meant \describe ?
checkRd: (-1) dot-information_gain.Rd:44: Lost braces in \itemize; meant \describe ?
checkRd: (-1) information_gain.Rd:44: Lost braces in \itemize; \value handles \item{}{} directly
checkRd: (-1) information_gain.Rd:45: Lost braces in \itemize; \value handles \item{}{} directly
* checking Rd metadata ... OK
* checking Rd line widths ... 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 line endings in C/C++/Fortran sources/headers ... OK
* checking line endings in Makefiles ... OK
* checking compilation flags in Makevars ... OK
* checking for GNU extensions in Makefiles ... OK
* checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
* checking use of PKG_*FLAGS in Makefiles ... OK
* checking use of SHLIB_OPENMP_*FLAGS in Makefiles ... OK
* checking pragmas in C/C++ headers and code ... OK
* checking compilation flags used ... OK
* checking compiled code ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... ERROR
Running examples in ‘FSelectorRcpp-Ex.R’ failed
The error most likely occurred in:

> ### Name: feature_search
> ### Title: General Feature Searching Engine
> ### Aliases: feature_search
> 
> ### ** Examples
> 
> 
> # Enable parallelization in examples
> ## Not run: 
> ##D  library(doParallel)
> ##D  cl <- makeCluster(2)
> ##D  registerDoParallel(cl)
> ## End(Not run)
> # Close at the end
> # stopCluster(cl) #nolint
> # registerDoSEQ() #nolint
> 
> # 1) Evaluator from FSelector package.
> evaluator <- function(subset, data, dependent = names(iris)[5]) {
+   library(rpart)
+   k <- 5
+   splits <- runif(nrow(data))
+   results <- sapply(1:k, function(i) {
+     test.idx <- (splits >= (i - 1) / k) & (splits < i / k)
+     train.idx <- !test.idx
+     test <- data[test.idx, , drop = FALSE]
+     train <- data[train.idx, , drop = FALSE]
+     tree <- rpart(to_formula(subset, dependent), train)
+     error.rate <- sum(test[[dependent]] != predict(tree, test, type = "c")) /
+     nrow(test)
+     return(1 - error.rate)
+   })
+   return(mean(results))
+ }
> 
> set.seed(123)
> # Default greedy search.
> system.time(
+   feature_search(attributes = names(iris)[-5],
+                  fun = evaluator,
+                  data = iris)
+ )
Error in { : task 1 failed - "there is no package called ‘rpart’"
Calls: system.time ... feature_search -> greedy_search -> %op% -> <Anonymous>
Timing stopped at: 0.064 0 0.065
Execution halted
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ...
  Running ‘testthat.R’
 ERROR
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(FSelectorRcpp)
  > library(Matrix)
  Error in library(Matrix) : there is no package called 'Matrix'
  Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... OK
* checking PDF version of manual ... [10s/15s] OK
* checking HTML version of manual ... OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 2 ERRORs, 2 NOTEs
See
  ‘/data/gannet/ripley/R/packages/tests-Suggests/FSelectorRcpp.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 5:58.01, 236.33 + 21.21