Running ‘spelling.R’
  Running ‘testthat.R’ [32m/11m]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(corrgrapher)
  > 
  > test_check("corrgrapher")
  Welcome to DALEX (version: 1.2.1).
  Find examples and detailed introduction at: https://pbiecek.github.io/ema/
  Additional features will be available after installation of: ggpubr.
  Use 'install_dependencies()' to get all suggested dependencies
  Preparation of a new explainer is initiated
    -> model label       :  ranger  ( [33m default [39m )
    -> data              :  2000  rows  7  cols 
    -> target variable   :  2000  values 
    -> target variable   :  Please note that 'y' is a factor.  ( [31m WARNING [39m )
    -> target variable   :  Consider changing the 'y' to a logical or numerical vector.
    -> target variable   :  Otherwise I will not be able to calculate residuals or loss function.
    -> model_info        :  package ranger , ver. 0.12.1 , task classification ( [33m default [39m ) 
    -> predict function  :  yhat.ranger  will be used ( [33m default [39m )
    -> predicted values  :  predict function returns multiple columns:  4  ( [31m WARNING [39m ) some of functionalities may not work 
    -> residual function :  difference between y and yhat ( [33m default [39m )
    -> residuals         :  numerical, min =  NA , mean =  NA , max =  NA  
   [32m A new explainer has been created! [39m 
  Preparation of a new explainer is initiated
    -> model label       :  ranger  ( [33m default [39m )
    -> data              :  2207  rows  7  cols 
    -> target variable   :  2207  values 
    -> model_info        :  package ranger , ver. 0.12.1 , task regression ( [33m default [39m ) 
    -> predict function  :  yhat.ranger  will be used ( [33m default [39m )
    -> predicted values  :  numerical, min =  0.004410159 , mean =  0.3216927 , max =  0.9934367  
    -> residual function :  difference between y and yhat ( [33m default [39m )
    -> residuals         :  numerical, min =  -0.7714319 , mean =  0.000464059 , max =  0.8917972  
   [32m A new explainer has been created! [39m 
  Preparation of a new explainer is initiated
    -> model label       :  lm  ( [33m default [39m )
    -> data              :  39  rows  4  cols 
    -> target variable   :  39  values 
    -> model_info        :  package stats , ver. 4.0.2 , task regression ( [33m default [39m ) 
    -> predict function  :  yhat.lm  will be used ( [33m default [39m )
    -> predicted values  :  numerical, min =  8.78917 , mean =  9.306304 , max =  9.788801  
    -> residual function :  difference between y and yhat ( [33m default [39m )
    -> residuals         :  numerical, min =  -0.02594259 , mean =  3.507166e-15 , max =  0.0267124  
   [32m A new explainer has been created! [39m 
  [1] "helper ended!"