* using log directory 'd:/Rcompile/CRANpkg/local/4.4/DALEXtra.Rcheck'
* using R version 4.4.3 (2025-02-28 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 13.3.0
    GNU Fortran (GCC) 13.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'DALEXtra/DESCRIPTION' ... OK
* this is package 'DALEXtra' version '2.3.0'
* 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 'DALEXtra' can be installed ... 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 code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [4s] 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 ... [2s] OK
* checking whether the namespace can be unloaded cleanly ... [2s] OK
* checking loading without being on the library search path ... [2s] 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 ... [9s] 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 examples ... [5s] ERROR
Running examples in 'DALEXtra-Ex.R' failed
The error most likely occurred in:

> ### Name: explain_xgboost
> ### Title: Create explainer from your xgboost model
> ### Aliases: explain_xgboost
> 
> ### ** Examples
> 
> library("xgboost")
> library("DALEXtra")
> library("mlr")
Loading required package: ParamHelpers
> # 8th column is target that has to be omitted in X data
> data <- as.matrix(createDummyFeatures(titanic_imputed[,-8]))
> model <- xgboost(data, titanic_imputed$survived, nrounds = 10,
+                  params = list(objective = "binary:logistic"),
+                 prediction = TRUE)
Warning in throw_err_or_depr_msg("Parameter(s) have been removed from this function: ",  :
  Parameter(s) have been removed from this function: params. This warning will become an error in a future version.
Warning in throw_err_or_depr_msg("Passed unrecognized parameters: ", paste(head(names_unrecognized),  :
  Passed unrecognized parameters: prediction. This warning will become an error in a future version.
> # explainer with encode functiom
> explainer_1 <- explain_xgboost(model, data = titanic_imputed[,-8],
+                                titanic_imputed$survived,
+                                encode_function = function(data) {
+  as.matrix(createDummyFeatures(data))
+ })
Preparation of a new explainer is initiated
  -> model label       :  xgb.Booster  (  default  )
  -> data              :  2207  rows  7  cols 
  -> target variable   :  2207  values 
  -> predict function  :  yhat.xgb.Booster  will be used (  default  )
  -> predicted values  :  No value for predict function target column. (  default  )
Error in strsplit(model$params$objective, ":", fixed = TRUE) : 
  non-character argument
Calls: explain_xgboost ... explain -> model_info -> model_info.xgb.Booster -> strsplit
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [470s] ERROR
  Running 'testthat.R' [469s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(DALEXtra)
  Loading required package: DALEX
  Welcome to DALEX (version: 2.5.3).
  Find examples and detailed introduction at: http://ema.drwhy.ai/
  Additional features will be available after installation of: ggpubr.
  Use 'install_dependencies()' to get all suggested dependencies
  > 
  > test_check("DALEXtra")
  
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    |                                                                            
    |======================================================================| 100%Preparation of a new explainer is initiated
    -> model label       :  LM 
    -> data              :  9000  rows  6  cols 
    -> target variable   :  9000  values 
    -> predict function  :  yhat.WrappedModel  will be used (  default  )
    -> predicted values  :  No value for predict function target column. (  default  )
    -> model_info        :  package mlr , ver. 2.19.3 , task regression (  default  ) 
    -> predicted values  :  numerical, min =  1792.597 , mean =  3506.836 , max =  6241.447  
    -> residual function :  difference between y and yhat (  default  )
    -> residuals         :  numerical, min =  -257.2555 , mean =  4.687686 , max =  472.356  
    A new explainer has been created!  
  Preparation of a new explainer is initiated
    -> model label       :  RF 
    -> data              :  9000  rows  6  cols 
    -> target variable   :  9000  values 
    -> predict function  :  yhat.WrappedModel  will be used (  default  )
    -> predicted values  :  No value for predict function target column. (  default  )
    -> model_info        :  package mlr , ver. 2.19.3 , task regression (  default  ) 
    -> predicted values  :  numerical, min =  1801.378 , mean =  3504.225 , max =  6263.152  
    -> residual function :  difference between y and yhat (  default  )
    -> residuals         :  numerical, min =  -539.6745 , mean =  7.298987 , max =  749.5491  
    A new explainer has been created!  
  Preparation of a new explainer is initiated
    -> model label       :  GBM 
    -> data              :  9000  rows  6  cols 
    -> target variable   :  9000  values 
    -> predict function  :  yhat.WrappedModel  will be used (  default  )
    -> predicted values  :  No value for predict function target column. (  default  )
    -> model_info        :  package mlr , ver. 2.19.3 , task regression (  default  ) 
    -> predicted values  :  numerical, min =  2117.311 , mean =  3502.934 , max =  6063.491  
    -> residual function :  difference between y and yhat (  default  )
    -> residuals         :  numerical, min =  -552.6742 , mean =  8.589092 , max =  763.0317  
    A new explainer has been created!  
  additional arguments ignored in warning()
  Preparation of a new explainer is initiated
    -> model label       :  ranger  (  default  )
    -> data              :  2207  rows  7  cols 
    -> target variable   :  2207  values 
    -> predict function  :  yhat.ranger  will be used (  default  )
    -> predicted values  :  No value for predict function target column. (  default  )
    -> model_info        :  package ranger , ver. 0.17.0 , task classification (  default  ) 
    -> predicted values  :  numerical, min =  0.01107445 , mean =  0.3219879 , max =  0.9882509  
    -> residual function :  difference between y and yhat (  default  )
    -> residuals         :  numerical, min =  -0.7878296 , mean =  0.0001688297 , max =  0.8833751  
    A new explainer has been created!  
  additional arguments ignored in warning()
  Saving _problems/test_xgboost_explain-13.R
  Saving _problems/test_xgboost_explain-31.R
  Saving _problems/test_xgboost_explain-50.R
  [ FAIL 3 | WARN 13 | SKIP 10 | PASS 45 ]
  
  ══ Skipped tests (10) ══════════════════════════════════════════════════════════
  • Conda test env needed for tests (6): 'test_create_env.R:6:3',
    'test_create_env.R:27:3', 'test_create_env.R:40:3',
    'test_keras_explain.R:6:2', 'test_scikitlearn_explain.R:6:3',
    'tests_prints.R:8:3'
  • JAVA entry needed for tests (4): 'test_h2o_explain.R:8:3',
    'test_h2o_explain.R:33:3', 'test_h2o_explain.R:56:3',
    'test_h2o_explain.R:90:3'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test_xgboost_explain.R:11:3'): creating explainer classif ───────────
  Error in `strsplit(model$params$objective, ":", fixed = TRUE)`: non-character argument
  Backtrace:
      ▆
   1. └─DALEXtra::explain_xgboost(...) at test_xgboost_explain.R:11:3
   2.   └─DALEX::explain(...)
   3.     ├─DALEX::model_info(model, is_multiclass = task_subtype)
   4.     └─DALEXtra:::model_info.xgb.Booster(model, is_multiclass = task_subtype)
   5.       └─base::strsplit(model$params$objective, ":", fixed = TRUE)
  ── Error ('test_xgboost_explain.R:29:3'): creating explainer regr ──────────────
  Error in `strsplit(model$params$objective, ":", fixed = TRUE)`: non-character argument
  Backtrace:
      ▆
   1. └─DALEXtra::explain_xgboost(...) at test_xgboost_explain.R:29:3
   2.   └─DALEX::explain(...)
   3.     ├─DALEX::model_info(model, is_multiclass = task_subtype)
   4.     └─DALEXtra:::model_info.xgb.Booster(model, is_multiclass = task_subtype)
   5.       └─base::strsplit(model$params$objective, ":", fixed = TRUE)
  ── Error ('test_xgboost_explain.R:48:3'): creating explainer multi ─────────────
  Error in `strsplit(model$params$objective, ":", fixed = TRUE)`: non-character argument
  Backtrace:
      ▆
   1. └─DALEXtra::explain_xgboost(...) at test_xgboost_explain.R:48:3
   2.   └─DALEX::explain(...)
   3.     ├─DALEX::model_info(model, is_multiclass = task_subtype)
   4.     └─DALEXtra:::model_info.xgb.Booster(model, is_multiclass = task_subtype)
   5.       └─base::strsplit(model$params$objective, ":", fixed = TRUE)
  
  [ FAIL 3 | WARN 13 | SKIP 10 | PASS 45 ]
  Error:
  ! Test failures.
  Execution halted
* checking PDF version of manual ... [19s] OK
* checking HTML version of manual ... [5s] OK
* DONE
Status: 2 ERRORs