[R] months not working with local language (weekdays does)

Omar André Gonzáles Díaz oma.gonzales at gmail.com
Mon Jun 5 20:14:41 CEST 2017


I want to reporte some strange behaviour with the "months" function, from
base R.

When using "months" to extract months from a date column, I'm getting the
months in english, when I was expecting months in spanish.

When using "weekdays" to extract days of week from a date column, I'm
getting the the days in spanish (as expected).

My understanding is that both work with local language. What may be

My Session Info:

R version 3.4.0 (2017-04-21)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1

Matrix products: default

[1] LC_COLLATE=Spanish_Peru.1252
[2] LC_CTYPE=Spanish_Peru.1252
[3] LC_MONETARY=Spanish_Peru.1252
[5] LC_TIME=Spanish_Peru.1252

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

other attached packages:
 [1] anytime_0.2.2      ggplot2_2.2.1.9000 lubridate_1.6.0
 [4] tidyr_0.6.3        rtweet_0.4.4       dplyr_0.5.0
 [7] Rfacebook_0.6.16   httpuv_1.3.3       rjson_0.2.15
[10] httr_1.2.1

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.10     magrittr_1.5     devtools_1.13.2
 [4] munsell_0.4.3    colorspace_1.3-2 R6_2.2.0
 [7] rlang_0.1        plyr_1.8.4       stringr_1.2.0
[10] tools_3.4.0      grid_3.4.0       gtable_0.2.0
[13] DBI_0.6-1        git2r_0.18.0     withr_1.0.2
[16] openssl_0.9.6    lazyeval_0.2.0   assertthat_0.2.0
[19] digest_0.6.12    tibble_1.3.1     curl_2.6
[22] memoise_1.1.0    labeling_0.3     stringi_1.1.5
[25] compiler_3.4.0   scales_0.4.1     jsonlite_1.5

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