[R] Why are integers coded as e.g. "2L" in R functions?

[Rui Barradas]

Hello,

2 is a double, 2L is an integer. Try

 > class(2)
[1] "numeric"
 > class(2L)
[1] "integer"


Hope this helps,

Rui Barradas

Em 15-05-2014 11:54, Alexander Engelhardt escreveu:
> Hello R-help,
>
> I keep noticing R functions that don't compare integers like
>    if(x == 2)
> but instead
>    if(x == 2L)
>
> Is this a long integer? Also, when do the two notations have a different
> effect on the code?
>
> Thanks in advance,
>   Alex
>
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