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

> ### Name: forest_plot
> ### Title: Forest plot
> ### Aliases: forest_plot
> 
> ### ** Examples
> 
> library(dplyr)

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

> 
> # Example 1
> 
> plotdata <- get_sample_data("forest-plot-table.csv")
> plotdata <- plotdata %>%
+   mutate(midlabel = format(round(mid,2), nsmall = 2),
+          lowerlabel = format(round(lower,2), nsmall = 2),
+          upperlabel = format(round(upper,2), nsmall = 2),
+          LABEL = paste0(midlabel, " [", lowerlabel, "-", upperlabel, "]"))
> param <- "BZD AUC"
> plotdata <-  filter(plotdata,paramname==param)
> plotdata$covname <- reorder(plotdata$covname,plotdata$upper,FUN =max)
> plotdata$label <- reorder(plotdata$label,plotdata$scen)
> covs <- c("WEIGHT","AGE")
> plotdata <-  filter(plotdata,covname%in%covs)
> forest_plot(plotdata,
+             ref_legend_text = "Reference (vertical line)",
+             area_legend_text = "Reference (vertical line)",
+             xlabel = paste("Fold Change in", param, "Relative to Reference"),
+             show_ref_area = FALSE,
+             facet_formula = "covname~.",
+             facet_scales = "free_y",
+             facet_space = "free_y",
+             show_table_facet_strip = "none",
+             table_position = "right",
+             plot_table_ratio = 4)
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_sub_all<-, 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_g
Calls: forest_plot ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
Execution halted