[R] Cannot get "==" operator to return TRUE

[G See]

Petr,

Thank you!  That is great.

Do you know of a way to print a string such that I can see whether it
contains a string or a no-break space?

Thanks,
Garrett

On Fri, Feb 3, 2012 at 10:01 AM, Petr Savicky <savicky at cs.cas.cz> wrote:
> On Fri, Feb 03, 2012 at 09:25:10AM -0600, G See wrote:
>> I have a data.frame named "df". The dput of df is at the bottom of this e-mail.
>> What I'd like to do is replace the "n/a " values with NA.  On Mac OSX, it works
>> to do this:
>> df[df == "n/a"] <- NA
>>
>> However, it does not work on Ubuntu.  See below.
>>
>> Thanks in advance,
>> Garrett
>>
>> > x <- df[27, 4] # complete data.frame dput is below
>> > dput(x)
>> "n/a "
>
> Hi.
>
> This string contains a no-break space, not a space.
>
>  "n/a " == "n/a\uA0"
>
>  [1] TRUE
>
>  "n/a\uA0"
>
>  [1] "n/a "
>
> Hope this helps.
>
> Petr Savicky.
>
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