[R] From NUM to INT

Bert Gunter bgunter.4567 at gmail.com
Tue Apr 26 19:42:28 CEST 2016


No.

>From ?as.integer:

"Note that current implementations of R use 32-bit integers for
integer vectors, so the range of representable integers is restricted
to about +/-2*10^9: doubles can hold much larger integers exactly. "

Cheers,
Bert


Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Tue, Apr 26, 2016 at 10:11 AM, André Luis Neves <andrluis at ualberta.ca> wrote:
> Dear all:
>
> I converted the columns (Baci, Meti, Fungii, Protozoai) into integers
> (using excel) and then imported the data (.txt) into R. Interestingly, the
> other three variables were loaded as INT, but the 'Baci' one continued as
> Num.
>
> I imported the data using the following command line:
>
> X <- read.delim(file.choose(),
>                  header = TRUE,
>                  dec = ".")
>
> Here is the structure of X:
>
>> str(X)
> 'data.frame': 115 obs. of  5 variables:
>  $ ID       : Factor w/ 61 levels "107ZRED","112BLKW",..: 8 12 15 18 26 27
> 29 31 32 36 ...
>  $ Baci     : num  2.90e+12 5.55e+11 9.46e+11 8.13e+11 4.06e+11 ...
>  $ Meti     : int  352645997 334146268 767208656 171567266 462747405
> 414905627 237010514 387480048 214671355 328813226 ...
>  $ Fungii   : int  43645 19009 15998 2189 8972 8240 3133 17922 6156 13746
> ...
>  $ Protozoai: int  3220523 1851891 3252462 1665675 34123768 23175015 203685
> 4261780 43110492 69802572 ...
>
>
> I need Baci as an integer, and tried to convert it using as.integer
> function, but was not successful.
>
>
> Could anyone please help me to solve this problem.
>
> Thanks,
>
>
>
> --
> Andre
>
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