I did try installing xml2 and it appeared to complete. I will ask him to try
again and send me the output.
> On Sep 24, 2021, at 1:58 PM, Jeff Newmiller <jdnewmil at
dcn.davis.ca.us> wrote:
>
> Seems like they should install the xml2 package before proceeding to load
whatever (tidyverse).
>
> This kind of "dependency missing" problem tends to be a recurring
problem particularly on Windows but in general when some deeply-embedded
dependency fails to load or is removed in preparation for upgrading.
>
> On September 24, 2021 10:40:41 AM PDT, Kevin Thorpe <kevin.thorpe at
utoronto.ca> wrote:
>> Below is some output from one of my students. I have never seen this
error and tried a few things (updating packages for one) but am at a loss to
help further. Would appreciate suggestions that I can pass along.
>>
>> Here is the error. I tried an install.packages(?xml2?) which appeared
to complete but the error persists.
>>
>>> library("tidyverse")
>> Error: package or namespace load failed for ?tidyverse? in
library.dynam(lib, package, package.lib):
>> DLL ?xml2? not found: maybe not installed for this architecture?
>>
>> Here is the sessionInfo()
>>
>>> sessionInfo()
>> R version 4.1.1 (2021-08-10)
>> Platform: x86_64-w64-mingw32/x64 (64-bit)
>> Running under: Windows 10 x64 (build 19042)
>>
>> Matrix products: default
>>
>> locale:
>> [1] LC_COLLATE=English_Canada.1252 LC_CTYPE=English_Canada.1252
LC_MONETARY=English_Canada.1252 LC_NUMERIC=C
>> [5] LC_TIME=English_Canada.1252
>>
>> attached base packages:
>> [1] stats graphics grDevices utils datasets methods base
>>
>> loaded via a namespace (and not attached):
>> [1] Rcpp_1.0.7 cellranger_1.1.0 pillar_1.6.2 compiler_4.1.1
dbplyr_2.1.1 forcats_0.5.1 tools_4.1.1
>> [8] jsonlite_1.7.2 lubridate_1.7.10 lifecycle_1.0.0 tibble_3.1.4
gtable_0.3.0 pkgconfig_2.0.3 rlang_0.4.11
>> [15] reprex_2.0.1 DBI_1.1.1 haven_2.4.3 withr_2.4.2 dplyr_1.0.7
httr_1.4.2 fs_1.5.0
>> [22] generics_0.1.0 vctrs_0.3.8 hms_1.1.0 grid_4.1.1 tidyselect_1.1.1
glue_1.4.2 R6_2.5.1
>> [29] fansi_0.5.0 readxl_1.3.1 tzdb_0.1.2 tidyr_1.1.3 ggplot2_3.3.5
purrr_0.3.4 readr_2.0.1
>> [36] modelr_0.1.8 magrittr_2.0.1 backports_1.2.1 scales_1.1.1
ellipsis_0.3.2 assertthat_0.2.1 colorspace_2.0-2
>> [43] utf8_1.2.2 munsell_0.5.0 broom_0.7.9 crayon_1.4.1
>>
>
> --
> Sent from my phone. Please excuse my brevity.
--
Kevin E. Thorpe
Head of Biostatistics, Applied Health Research Centre (AHRC)
Li Ka Shing Knowledge Institute of St. Michael's
Assistant Professor, Dalla Lana School of Public Health
University of Toronto
email: kevin.thorpe at utoronto.ca Tel: 416.864.5776 Fax: 416.864.3016