Re: [R] sometimes removing NAs from code

2011-10-26 Thread Schatzi
Thank you for the help and explanations. I used the "complete.cases" function and it is working great. adata[complete.cases(adata[,1:2]),] - In theory, practice and theory are the same. In practice, they are not - Albert Einstein -- View this message in context: http://r.789695.n4.nabble.

Re: [R] sometimes removing NAs from code

2011-10-26 Thread William Dunlap
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Schatzi > Sent: Wednesday, October 26, 2011 8:25 AM > To: r-help@r-project.org > Subject: [R] sometimes removing NAs from code > > Sometimes I have NA values within specific columns of a da

Re: [R] sometimes removing NAs from code

2011-10-26 Thread Sarah Goslee
Hi, On Wed, Oct 26, 2011 at 11:25 AM, Schatzi wrote: > Sometimes I have NA values within specific columns of a dataframe (in this > example, the first two columns can have NAs). If there are NA values, I > would like them to be removed. > > I have been using the code: > > y<-c(NA,5,4,2,5,6,NA) >

Re: [R] sometimes removing NAs from code

2011-10-26 Thread Marc Schwartz
On Oct 26, 2011, at 10:25 AM, Schatzi wrote: > Sometimes I have NA values within specific columns of a dataframe (in this > example, the first two columns can have NAs). If there are NA values, I > would like them to be removed. > > I have been using the code: > > y<-c(NA,5,4,2,5,6,NA) > z<-c(NA

Re: [R] sometimes removing NAs from code

2011-10-26 Thread jim holtman
?complete.cases > y<-c(NA,5,4,2,5,6,NA) > z<-c(NA,3,4,NA,1,3,7) > x<-1:7 > adata<-data.frame(y,z,x) > adata y z x 1 NA NA 1 2 5 3 2 3 4 4 3 4 2 NA 4 5 5 1 5 6 6 3 6 7 NA 7 7 > adata[complete.cases(adata),] y z x 2 5 3 2 3 4 4 3 5 5 1 5 6 6 3 6 On Wed, Oct 26, 2011 at 11:25 AM, Sc

Re: [R] sometimes removing NAs from code

2011-10-26 Thread Natalie Van Zuydam
Hi, Why don't you give subset a try: adata <- subset(adata, is.na(z)==FALSE&is.na(y)==FALSE) I'm not sure if you want to use AND or OR for this statement. Best wishes, Natalie On 26/10/2011 16:25, Schatzi wrote: Sometimes I have NA values within specific columns of a dataframe (in this exampl

[R] sometimes removing NAs from code

2011-10-26 Thread Schatzi
Sometimes I have NA values within specific columns of a dataframe (in this example, the first two columns can have NAs). If there are NA values, I would like them to be removed. I have been using the code: y<-c(NA,5,4,2,5,6,NA) z<-c(NA,3,4,NA,1,3,7) x<-1:7 adata<-data.frame(y,z,x) adata<-adata[-w