* using log directory ‘/data/localhost/ripley/R/packages/tests-donttest/Clustering.Rcheck’
* using R Under development (unstable) (2026-08-21 r90440)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2)
    GNU Fortran (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2)
* running under: Fedora Linux 44 (Server Edition)
* using session charset: UTF-8
* current time: 2026-08-22 16:45:33 UTC
* checking for file ‘Clustering/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘Clustering’ version ‘1.7.10’
* 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 ‘Clustering’ can be installed ... [13s/15s] 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 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 ... [20s/23s] OK
* checking Rd files ... OK
* 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 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 ... OK
* checking examples with --run-donttest ... ERROR
Running examples in ‘Clustering-Ex.R’ failed
The error most likely occurred in:

> ### Name: evaluate_validation_internal_by_metrics
> ### Title: Evaluate internal validations by algorithm.
> ### Aliases: evaluate_validation_internal_by_metrics
> 
> ### ** Examples
> 
> 
> result = Clustering::clustering(
+                df = cluster::agriculture,
+                min = 4,
+                max = 5,
+                algorithm='kmeans_rcpp',
+                metrics=c("Recall","Silhouette")
+          )
> 
> Clustering::evaluate_validation_internal_by_metrics(result)
Result:	
    Algorithm  Time Silhouette TimeAtt SilhouetteAtt
1 kmeans_rcpp 3e-04       0.31       2             1
> 
> ## No test: 
> Clustering::evaluate_validation_internal_by_metrics(result$result)
Error in UseMethod("select") : 
  no applicable method for 'select' applied to an object of class "NULL"
Calls: <Anonymous> ... calculate_best_internal_variables_by_metrics -> transform_dataset_internal -> select
Execution halted
* checking PDF version of manual ... 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
* checking for new files in some other directories ... OK
* DONE

Status: 1 ERROR
See
  ‘/data/localhost/ripley/R/packages/tests-donttest/Clustering.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 2:09.19, 99.41 + 12.71