Swirl: Error load library(swirl)

[JuanAndresAlban]

Can someone please help me with the following?

When loading library(swirl) I get the following error message:

Error: package or namespace load failed for ‘swirl’ 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

I am using Windows 10.

Session Info:
R version 3.4.4 (2018-03-15)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252

attached base packages:
[1] stats graphics grDevices utils datasets methods base

other attached packages:
[1] devtools_1.13.5

loaded via a namespace (and not attached):
[1] httr_1.3.1 compiler_3.4.4 R6_2.2.2 tools_3.4.4 withr_2.1.2 RCurl_1.95-4.10
[7] curl_3.1 yaml_2.1.18 memoise_1.1.0 git2r_0.21.0 digest_0.6.15 bitops_1.0-6

[mbaradas]

@JuanAndresAlban did you find a solution? I get the same error. thanks

[JuanAndresAlban]

Installing the newest version of RStudio solved the problem for me.

On Sat, Jun 9, 2018 at 3:39 PM, MICHAEL BARADAS [e-mail]
wrote:

@JuanAndresAlban https://github.com/JuanAndresAlban did you find a
solution? I get the same error. thanks

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[jnicholsonjr]

I'm getting the same exact error, windows 10 x64. So far I've reinstalled Rstudio (running 1.1.456) and updated packages and there's no change. Unlike the other swirl errors I've dealt with this one doesn't seem to offer up much in the way of useful info.

[jnicholsonjr]

Of course as soon as I posted that I found a workable solution. When I installed swirl originally it wasn't loading the package called "stringi" and I was getting errors related to that. I got that installed with install.packages("stringi") and had to click "no" on the popup box to get it to install correctly. In order to run swirl to load by library(swirl) I had to manually delete "stringi" from the R win-library, then reinstall stringi in Rstudio and now swirl will load and run. I'm not sure if the problem is with swirl or stringi but I have to perform this delete and reinstall of stringi every time I load up and run swirl.

[PereiraSostiene]

For me it worked with the solution provided by jnicholsonjr!

Thanks

[ShannayR]

I would like to begin by pointing out that I am new to R and programming in general. The solution provided by @jnicholsonjr worked out fine, and has helped my learn to troubleshoot small bumps and roadblocks like #803 in a practical manner.
Thank you so much.