Re: [R] Remove single entries

2009-09-28 Thread Barry Rowlingson
On Mon, Sep 28, 2009 at 5:03 PM, Raymond Danner wrote: > Dear Community, > > I have a data set with two columns, bird number and mass.  Individual birds > were captured 1-13 times and weighed each time.  I would like to remove > those individuals that were captured only once, so that I can assess

Re: [R] Remove single entries

2009-09-28 Thread Chuck Cleland
On 9/28/2009 12:03 PM, Raymond Danner wrote: > Dear Community, > > I have a data set with two columns, bird number and mass. Individual birds > were captured 1-13 times and weighed each time. I would like to remove > those individuals that were captured only once, so that I can assess mass > var

Re: [R] Remove single entries

2009-09-28 Thread Erik Iverson
> -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Raymond Danner > Sent: Monday, September 28, 2009 11:03 AM > To: r-help@r-project.org > Subject: [R] Remove single entries > > Dear Community, > &

[R] Remove single entries

2009-09-28 Thread Raymond Danner
Dear Community, I have a data set with two columns, bird number and mass. Individual birds were captured 1-13 times and weighed each time. I would like to remove those individuals that were captured only once, so that I can assess mass variability per bird. I¹ve tried many approaches with no su