Re: [R] Levels of a factor

2013-07-25 Thread Borja Rivier
...@r-project.org] On Behalf Of Borja Rivier Sent: Wednesday, July 24, 2013 8:25 AM To: r-help@r-project.org Subject: [R] Levels of a factor Hi all, I am having a bit of trouble using the levels() function. I have a factor with many elements, and when I use the function levels() to extract

[R] Levels of a factor

2013-07-24 Thread Borja Rivier
Hi all, I am having a bit of trouble using the levels() function. I have a factor with many elements, and when I use the function levels() to extract the list of unique elements, some of the elements returned are not actually in the factor. For example I would have this: vector -

Re: [R] Levels of a factor

2013-07-24 Thread arun
Hi,  vec1- factor(1:5,levels=1:10)  vec1 #[1] 1 2 3 4 5 #Levels: 1 2 3 4 5 6 7 8 9 10 vec2-droplevels(vec1)  levels(vec2) #[1] 1 2 3 4 5  vec2 #[1] 1 2 3 4 5 #Levels: 1 2 3 4 5 A.K. Hi all, I am having a bit of trouble using the levels() function. I have a factor with many elements, and when

Re: [R] Levels of a factor

2013-07-24 Thread David Winsemius
On Jul 24, 2013, at 6:25 AM, Borja Rivier wrote: Hi all, I am having a bit of trouble using the levels() function. I have a factor with many elements, and when I use the function levels() to extract the list of unique elements, some of the elements returned are not actually in the factor.

Re: [R] Levels of a factor

2013-07-24 Thread David Winsemius
On Jul 24, 2013, at 11:35 AM, David Winsemius wrote: On Jul 24, 2013, at 6:25 AM, Borja Rivier wrote: Hi all, I am having a bit of trouble using the levels() function. I have a factor with many elements, and when I use the function levels() to extract the list of unique elements, some

Re: [R] Levels of a factor

2013-07-24 Thread David Carlson
-project.org Subject: [R] Levels of a factor Hi all, I am having a bit of trouble using the levels() function. I have a factor with many elements, and when I use the function levels() to extract the list of unique elements, some of the elements returned are not actually in the factor. For example I would