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

> ### Name: coefPlot
> ### Title: Coefficient plot of a sequence of regression models
> ### Aliases: coefPlot coefPlot.grplars coefPlot.rlars coefPlot.seqModel
> ###   coefPlot.sparseLTS coefPlot.tslars coefPlot.tslarsP
> ### Keywords: hplot
> 
> ### ** Examples
> 
> ## generate data
> # example is not high-dimensional to keep computation time low
> library("mvtnorm")
> set.seed(1234)  # for reproducibility
> n <- 100  # number of observations
> p <- 25   # number of variables
> beta <- rep.int(c(1, 0), c(5, p-5))  # coefficients
> sigma <- 0.5      # controls signal-to-noise ratio
> epsilon <- 0.1    # contamination level
> Sigma <- 0.5^t(sapply(1:p, function(i, j) abs(i-j), 1:p))
> x <- rmvnorm(n, sigma=Sigma)    # predictor matrix
> e <- rnorm(n)                   # error terms
> i <- 1:ceiling(epsilon*n)       # observations to be contaminated
> e[i] <- e[i] + 5                # vertical outliers
> y <- c(x %*% beta + sigma * e)  # response
> x[i,] <- x[i,] + 5              # bad leverage points
> 
> 
> ## robust LARS
> # fit model
> fitRlars <- rlars(x, y, sMax = 10)
> # create plot
> coefPlot(fitRlars)
> 
> 
> ## sparse LTS over a grid of values for lambda
> # fit model
> frac <- seq(0.2, 0.05, by = -0.05)
> fitSparseLTS <- sparseLTS(x, y, lambda = frac, mode = "fraction")
> # create plot
> coefPlot(fitSparseLTS)
> coefPlot(fitSparseLTS, fit = "both")
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