Running examples in 'rrr-Ex.R' failed
The error most likely occurred in:

> ### Name: residuals
> ### Title: Reduced-Rank Regression Residuals
> ### Aliases: residuals
> 
> ### ** Examples
> 
> data(tobacco)
> tobacco_x <- tobacco[,4:9]
> tobacco_y <- tobacco[,1:3]
> tobacco_rrr <- rrr(tobacco_x, tobacco_y, rank = 1)
> residuals(tobacco_x, tobacco_y, rank = 1, plot = FALSE)
# A tibble: 25 x 3
   Y1.BurnRate Y2.PercentSugar Y3.PercentNicotine
         <dbl>           <dbl>              <dbl>
 1     -0.154            3.92              -0.902
 2     -0.210            0.698             -0.697
 3     -0.0730           3.35              -0.950
 4     -0.201            2.98              -0.199
 5     -0.124            1.64              -0.362
 6     -0.0495           0.320             -1.24 
 7     -0.0419           2.08              -0.339
 8     -0.145            2.75              -0.190
 9     -0.0979           1.53              -0.588
10     -0.355            2.61              -0.333
# ... with 15 more rows
> residuals(tobacco_x, tobacco_y, rank = 1)
Error in namespaceExport(ns, exports) : 
  undefined exports: %s!=%, %s!==%, %s+%, %s<%, %s<=%, %s==%, %s===%, %s>%, %s>=%, %stri!=%, %stri!==%, %stri+%, %stri<%, %stri<=%, %stri==%, %stri===%, %stri>%, %stri>=%, stri_datetime_add<-, stri_sub<-, stri_subset<-, stri_subset_charclass<-, stri_subset_coll<-, stri_subset_fixed<-, stri_subset_regex<-, stri_c, stri_c_list, stri_cmp, stri_cmp_eq, stri_cmp_equiv, stri_cmp_ge, stri_cmp_gt, stri_cmp_le, stri_cmp_lt, stri_cmp_neq, stri_cmp_nequiv, stri_compare, stri_conv, stri_count, stri_count_boundaries, stri_count_charclass, stri_count_coll, stri_count_fixed, stri_count_regex, stri_count_words, stri_datetime_add, stri_datetime_create, stri_datetime_fields, stri_datetime_format, stri_datetime_fstr, stri_datetime_now, stri_datetime_parse, stri_datetime_symbols, stri_detect, stri_detect_charclass, stri_detect_coll, stri_detect_fixed, stri_detect_regex, stri_dup, stri_duplicated, stri_duplicated_any, stri_enc_detect, stri_enc_detect2, stri_enc_fromutf32, stri_enc_get, stri_enc_inf
Calls: <Anonymous> ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
Execution halted