riginal Message-
> From: Peter Dalgaard [mailto:[EMAIL PROTECTED]
> Sent: Friday, April 04, 2008 12:18 PM
> To: Muenchen, Robert A (Bob)
> Cc: [EMAIL PROTECTED]
> Subject: Re: [R] NA vs.
>
> Muenchen, Robert A (Bob) wrote:
> > Dear R-Helpers,
> >
> >
Muenchen, Robert A (Bob) wrote:
> Dear R-Helpers,
>
> Why does R show character missing values in vectors as NA and when
> stored in a data frame as ? I've searched but did not find an
> explanation.
>
> Thanks,
> Bob
>
>
>> gender <- c("f","f","f",NA,"m","m","m","m")
>> gender
>>
> [1] "f"
On Fri, Apr 4, 2008 at 11:00 AM, Muenchen, Robert A (Bob)
<[EMAIL PROTECTED]> wrote:
> Dear R-Helpers,
>
> Why does R show character missing values in vectors as NA and when
> stored in a data frame as ? I've searched but did not find an
> explanation.
It's because that character vector is auto
Dear R-Helpers,
Why does R show character missing values in vectors as NA and when
stored in a data frame as ? I've searched but did not find an
explanation.
Thanks,
Bob
> gender <- c("f","f","f",NA,"m","m","m","m")
> gender
[1] "f" "f" "f" NA "m" "m" "m" "m" #here it lacks brackets.
>
> q1 <
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