Hi,
My issue is that purrr::map behavies differently in different environments. I enclose two examples for this to present the issue.
(1) using read_html function inside a map {purrr}, and nest the XML into the tibble, it works if you run the script on your console, but in other environments it fails, just like in case of the closed reprex.
(2) using LogLik function to an LDA model works on console or as a script. but fails if I use this code in a Rmarkdown file.
I wonder why map
behavies differently in different environments.
Thank you for your answer in advance,
M
library(tidyverse)
# Web scraping --------------------------------------------------------------------------
tibble(url = c("https://ingatlan.com/lista/elado+lakas+budapest")) %>%
mutate(page = map(url, xml2::read_html)) # works on console, but fails as run in local job/from cmd/as a reprex
#> Error: Problem with `mutate()` input `page`.
#> x HTTP error 403.
#> i Input `page` is `map(url, xml2::read_html)`.
# Topic model ---------------------------------------------------------------------------
library(topicmodels)
#> Warning: package 'topicmodels' was built under R version 4.0.4
data("AssociatedPress")
tibble(k = c(2)) %>%
mutate(
model = map(k, ~ LDA(AssociatedPress, k = .)),
loglike = map_dbl(model, logLik) # << works on console or as a script, but fails while knitting .Rmd
)
#> # A tibble: 1 x 3
#> k model loglike
#> <dbl> <list> <dbl>
#> 1 2 <LDA_VEM> -3638550.
Created on 2021-04-24 by the reprex package (v0.3.0)
Session info
devtools::session_info()
#> - Session info ---------------------------------------------------------------
#> setting value
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#> system x86_64, mingw32
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#> language (EN)
#> collate Hungarian_Hungary.1250
#> ctype Hungarian_Hungary.1250
#> tz Europe/Prague
#> date 2021-04-24
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