[Rd] scientific notation and comparison with character variable

Tobias Verbeke tobias.verbeke at openanalytics.eu
Wed Jan 2 19:53:17 CET 2013


Thanks and apologies for the noise.

Best wishes,
Tobias

On 01/02/2013 07:43 PM, Joshua Ulrich wrote:
> It's expected.  From ?"<":
>
>       If the two arguments are atomic vectors of different types, one is
>       coerced to the type of the other, the (decreasing) order of
>       precedence being character, complex, numeric, integer, logical and
>       raw.
>
>> as.character(1e-2) < 0.05
> [1] TRUE
>> as.character(1e-4) < 0.05
> [1] FALSE
>
> Best,
> --
> Joshua Ulrich  |  about.me/joshuaulrich
> FOSS Trading  |  www.fosstrading.com
>
>
> On Wed, Jan 2, 2013 at 12:38 PM, Tobias Verbeke
> <tobias.verbeke at openanalytics.eu> wrote:
>> L.S.
>>
>> Is the following expected and/or documented?
>>
>>> 1e-2 < "0.05"
>> [1] TRUE
>>> 1e-4 < "0.05"
>> [1] FALSE
>>
>> Many thanks in advance for any pointer.
>>
>> Best,
>> Tobias
>>
>>> sessionInfo()
>> R Under development (unstable) (2013-01-01 r61512)
>> Platform: i386-w64-mingw32/i386 (32-bit)
>>
>> locale:
>> [1] LC_COLLATE=English_United States.1252
>> [2] LC_CTYPE=English_United States.1252
>> [3] LC_MONETARY=English_United States.1252
>> [4] LC_NUMERIC=C
>> [5] LC_TIME=English_United States.1252
>>
>> attached base packages:
>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel



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