The hyphen without a following digit confuses tidyr::extract_numeric().
E.g.,
> extract_numeric("23 ft-lbs")
Warning message:
In extract_numeric("23 ft-lbs") : NAs introduced by coercion
[1] NA
> extract_numeric("23 ft*lbs")
[1] 23
Contact the BugReports address for the package
> packageDescription("tidyr")$BugReports
[1] "https://github.com/hadley/tidyr/issues";
or package's maintainer
> maintainer("tidyr")
[1] "Hadley Wickham <had...@rstudio.com>"
to report problems in a user-contributed package.
Bill Dunlap
TIBCO Software
wdunlap tibco.com
On Mon, Apr 20, 2015 at 12:10 AM, arnaud gaboury <arnaud.gabo...@gmail.com>
wrote:
> R 3.2.0 on Linux
> --------------------------------
>
> library(tidyr)
>
> playerStats <- c("LVL 10", "5,671,448 AP l6,000,000 AP", "Unique
> Portals Visited 1,038",
> "XM Collected 15,327,123 XM", "Hacks 14,268", "Resonators Deployed 11,126",
> "Links Created 1,744", "Control Fields Created 294", "Mind Units
> Captured 2,995,484 MUs",
> "Longest Link Ever Created 75 km", "Largest Control Field 189,731 MUs",
> "XM Recharged 3,006,364 XM", "Portals Captured 1,204", "Unique Portals
> Captured 486",
> "Resonators Destroyed 12,481", "Portals Neutralized 1,240", "Enemy
> Links Destroyed 3,169",
> "Enemy Control Fields Destroyed 1,394", "Distance Walked 230 km",
> "Max Time Portal Held 240 days", "Max Time Link Maintained 15 days",
> "Max Link Length x Days 276 km-days", "Max Time Field Held 4days",
> "Largest Field MUs x Days 83,226 MU-days")
>
>
> -----------------------------------------------------------------------------------------------
> extract_numeric(playerStats)
> [1] 10 56714486000000 1038 15327123
> 14268 11126 1744 294 2995484
> [10] 75 189731 3006364 1204
> 486 12481 1240 3169 1394
> [19] 230 240 15 NA
> 4 NA
>
>
> ------------------------------------------------------------------------------------------------
> playerStats[c(22,24)]
> [1] "Max Link Length x Days 276 km-days" "Largest Field MUs x
> Days 83,226 MU-days"
>
> --------------------------------------------------------------------------------------------
>
> I do not understand why these two vectors return NA when the function
> extract_numeric() works well for others,
>
> Any wrong settings in my env?
>
> Thank you for hints.
>
>
>
> --
>
> google.com/+arnaudgabourygabx
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>
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