Package: recommenderlab
Check: examples
New result: ERROR
  Running examples in ‘recommenderlab-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: dissimilarity
  > ### Title: Dissimilarity and Similarity Calculation Between Rating Data
  > ### Aliases: dissimilarity dissimilarity,binaryRatingMatrix-method
  > ###   dissimilarity,realRatingMatrix-method similarity
  > ###   similarity,ratingMatrix-method
  > 
  > ### ** Examples
  > 
  > data(MSWeb)
  > 
  > ## between 5 users
  > dissimilarity(MSWeb[1:5,], method = "jaccard")
  Error in !items : invalid argument type
  Calls: dissimilarity ... dissimilarity -> .local -> <Anonymous> -> <Anonymous>
  Execution halted

Package: recommenderlab
Check: tests
New result: ERROR
    Running ‘testthat.R’ [51s/51s]
  Running the tests in ‘tests/testthat.R’ failed.
  Complete output:
    > library("testthat")
    > 
    > library("recommenderlab")
    Loading required package: Matrix
    Loading required package: arules
    
    Attaching package: 'arules'
    
    The following objects are masked from 'package:base':
    
        abbreviate, write
    
    Loading required package: proxy
    
    Attaching package: 'proxy'
    
    The following object is masked from 'package:Matrix':
    
        as.matrix
    
    The following objects are masked from 'package:stats':
    
        as.dist, dist
    
    The following object is masked from 'package:base':
    
        as.matrix
    
    > test_check("recommenderlab")
    [ FAIL 1 | WARN 0 | SKIP 0 | PASS 171 ]
    
    ══ Failed tests ════════════════════════════════════════════════════════════════
    ── Error ('test-dissimilarity.R:70:10'): (code run outside of `test_that()`) ───
    Error in `!items`: invalid argument type
    Backtrace:
         ▆
      1. ├─testthat::expect_equal(...) at test-dissimilarity.R:141:1
      2. │ └─testthat::quasi_label(enquo(object), label, arg = "object")
      3. │   └─rlang::eval_bare(expr, quo_get_env(quo))
      4. ├─recommenderlab (local) compn(dissimilarity(rating, method = "cosine", which = "items"))
      5. │ └─base::as.vector(x) at test-dissimilarity.R:70:10
      6. ├─arules::dissimilarity(rating, method = "cosine", which = "items")
      7. └─recommenderlab::dissimilarity(rating, method = "cosine", which = "items")
      8.   └─recommenderlab (local) .local(x, y, method, args, ...)
      9.     ├─arules::dissimilarity(x, y, method, args, which)
     10.     └─arules::dissimilarity(x, y, method, args, which)
    
    [ FAIL 1 | WARN 0 | SKIP 0 | PASS 171 ]
    Error: Test failures
    Execution halted