[R] NA to NA

Dear useRs, Sorry for such a ridiculous question but i really need to know that what is the difference between NA and NA and how to convert NA to NA. Thankyou very much in advance Eliza [[alternative HTML version deleted]]

Re: [R] NA to NA

On Mar 31, 2014, at 1:29 PM, eliza botto eliza_bo...@hotmail.com wrote: Dear useRs, Sorry for such a ridiculous question but i really need to know that what is the difference between NA and NA and how to convert NA to NA. Thankyou very much in advance Eliza NA

Re: [R] NA to NA

x - factor(c(whoops,NA,NA,B)) x [1] whoops NA NA B Levels: B NA whoops is.na(x) [1] FALSE FALSE TRUE FALSE If this doesn't explain it for you, then read about missing values and factors in An Introduction to R. -- Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374

Re: [R] NA vs. NA

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 NA? I've searched but did not find an explanation. It's because that character vector is

Re: [R] NA vs. NA

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 NA? 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

[R] NA vs. NA

Dear R-Helpers, Why does R show character missing values in vectors as NA and when stored in a data frame as NA? 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 - c(1,2,2,3,4,5,5,4) q1 [1] 1

Re: [R] NA vs. NA

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. NA 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