* using log directory 'd:/Rcompile/CRANpkg/local/4.7/grafzahl.Rcheck' * using R Under development (unstable) (2026-05-28 r90085 ucrt) * using platform: x86_64-w64-mingw32 * R was compiled by gcc.exe (GCC) 14.3.0 GNU Fortran (GCC) 14.3.0 * running under: Windows Server 2022 x64 (build 20348) * using session charset: UTF-8 * current time: 2026-05-29 14:42:42 UTC * checking for file 'grafzahl/DESCRIPTION' ... OK * this is package 'grafzahl' version '0.0.12' * 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 'grafzahl' 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 code files for non-ASCII characters ... OK * checking R files for syntax errors ... OK * checking whether the package can be loaded ... [3s] OK * checking whether the package can be loaded with stated dependencies ... [3s] OK * checking whether the package can be unloaded cleanly ... [3s] OK * checking whether the namespace can be loaded with stated dependencies ... [3s] OK * checking whether the namespace can be unloaded cleanly ... [3s] OK * checking loading without being on the library search path ... [3s] 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 ... [8s] OK * checking Rd files ... [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 ... [1s] OK * checking LazyData ... OK * checking data for ASCII and uncompressed saves ... OK * checking installed files from 'inst/doc' ... OK * checking files in 'vignettes' ... OK * checking examples ... [12s] ERROR Running examples in 'grafzahl-Ex.R' failed The error most likely occurred in: > ### Name: grafzahl > ### Title: Fine tune a pretrained Transformer model for texts > ### Aliases: grafzahl grafzahl.default grafzahl.corpus > ### textmodel_transformer grafzahl.character > > ### ** Examples > > if (detect_conda() && interactive()) { + library(quanteda) + set.seed(20190721) + ## Using the default cross validation method + model1 <- grafzahl(unciviltweets, model_type = "bertweet", model_name = "vinai/bertweet-base") + predict(model1) + + ## Using LIME + input <- corpus(ecosent, text_field = "headline") + training_corpus <- corpus_subset(input, !gold) + model2 <- grafzahl(x = training_corpus, + y = "value", + model_name = "GroNLP/bert-base-dutch-cased") + test_corpus <- corpus_subset(input, gold) + predicted_sentiment <- predict(model2, test_corpus) + require(lime) + sentences <- c("Dijsselbloem pessimistisch over snelle stappen Grieken", + "Aandelenbeurzen zetten koersopmars voort") + explainer <- lime(training_corpus, model2) + explanations <- explain(sentences, explainer, n_labels = 1, + n_features = 2) + plot_text_explanations(explanations) + } Error: lexical error: invalid character inside string. 475bf3afd;D:\\temp\\2026_01;C: \\Users\\CRAN\\Documents\\tem (right here) ------^ Execution halted * checking for unstated dependencies in 'tests' ... OK * checking tests ... [4s] OK Running 'testthat.R' [3s] * checking for unstated dependencies in vignettes ... OK * checking package vignettes ... OK * checking re-building of vignette outputs ... [2s] OK * checking PDF version of manual ... [26s] OK * checking HTML version of manual ... [2s] OK * DONE Status: 1 ERROR