parse_date_time error

[leoluyi]

library(lubridate)

x <- c("09-01-01", "09-01-02", "09-01-03")

parse_date_time(x, "ymd")
# Error in (function (..., deparse.level = 1)  :   
# (converted from warning) number of columns of result is not a multiple of vector length (arg 3)

parse_date_time(x, "%y%m%d")
# Error in (function (..., deparse.level = 1)  :   
# (converted from warning) number of columns of result is not a multiple of vector length (arg 3)

parse_date_time(x, "%y %m %d")
# Error in (function (..., deparse.level = 1)  :   
# (converted from warning) number of columns of result is not a multiple of vector length (arg 3)

session_info

devtools::session_info()
Session info --------------------------------------------------------------------------------
setting  value                           
version  R version 3.2.0 (2015-04-16)    
system   x86_64, mingw32                 
ui       RStudio (0.99.435)              
language (EN)                            
collate  Chinese (Traditional)_Taiwan.950
tz       Asia/Taipei                     

Packages ------------------------------------------------------------------------------------
package   * version  date       source        
bitops      1.0-6    2013-08-17 CRAN (R 3.2.0)
devtools    1.8.0    2015-05-09 CRAN (R 3.2.0)
digest      0.6.8    2014-12-31 CRAN (R 3.2.0)
git2r       0.10.1   2015-05-07 CRAN (R 3.2.0)
lubridate * 1.3.3    2013-12-31 CRAN (R 3.2.0)
magrittr    1.5      2014-11-22 CRAN (R 3.2.0)
memoise     0.2.1    2014-04-22 CRAN (R 3.2.0)
plyr        1.8.2    2015-04-21 CRAN (R 3.2.0)
Rcpp        0.11.6   2015-05-01 CRAN (R 3.2.0)
RCurl       1.95-4.6 2015-04-24 CRAN (R 3.2.0)
rversions   1.0.0    2015-04-22 CRAN (R 3.2.0)
stringi     0.4-1    2014-12-14 CRAN (R 3.2.0)
stringr     1.0.0    2015-04-30 CRAN (R 3.2.0)
XML         3.98-1.1 2013-06-20 CRAN (R 3.2.0)

[vspinu]

CRAN version of lubridate is very outdated. Please install from github for now. I hope to be able to release to CRAN by the end of the month.

> parse_date_time(x, "ymd")
[1] "2009-01-01 UTC" "2009-01-02 UTC" "2009-01-03 UTC"
> ymd(x)
[1] "2009-01-01 UTC" "2009-01-02 UTC" "2009-01-03 UTC"
> 

[leoluyi]

Thanks for reply.
Using the latest github version, I still got error messages as above.

lubridate * 1.4.0.9500 2015-05-11 Github (hadley/lubridate@8bb248e)

[vspinu]

That means it has to do with your locale.

What is your locale as returned by Sys.getlocale("LC_TIME")?

[leoluyi]

> Sys.getlocale("LC_TIME")
[1] "Chinese (Traditional)_Taiwan.950"

[leoluyi]

Not until I set the locale to English_United States.1252 did it work well.
It seems to have locale problem.

Sys.setlocale(category = "LC_ALL", locale = "English_United States.1252")

x <- c("09-01-01", "09-01-02", "09-01-03")
parse_date_time(x, "ymd")
# "2009-01-01 UTC" "2009-01-02 UTC" "2009-01-03 UTC"

[vspinu]

It seems to have locale problem.

Yes. It's the way non-english characters are parsed. I am swamped till 20th of May. Will fix this up afterwards.