[R] what's this character?

[jim holtman]

Use 'charToRaw' to see what the bytes making up the string are:

> charToRaw('N.C. ')
[1] 4e 2e 43 2e 20



On Wed, Nov 28, 2012 at 7:44 PM, Shi, Tao <shidaxia at yahoo.com> wrote:
> Hi list,
>
> I've encounter this problem (see below).  I know it's particularly R-related and it's easy to get by but it still bothers me a lot.
>
>
> It looks the last character of "N.C. " is a space to me, but it's clearly not.  Can someone tell me a way to figure out what character is in the last position.
>
> Thanks!
>
> Tao
>
>
>
>> levels(dat$flag)[3]
> [1] "N.C. "
>> levels(dat$flag)[3]=="N.C. "
> [1] FALSE
>> substr(levels(dat$flag)[3],5,5)
> [1] " "
>> substr(levels(dat$flag)[3],5,5)==" "
> [1] FALSE
>> "N.C. "=="N.C. "   ## NOTE: this last one can't be reproduced after copy-n-paste
> [1] FALSE
>
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-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.