Re: [R] If statements for vectors

2008-04-09 Thread Vincent Goulet
Le mer. 9 avr. à 18:00, Paul Johnson a écrit : > On Wed, Apr 9, 2008 at 4:07 PM, Laura Bonnett <[EMAIL PROTECTED] > > wrote: >> Dear Sirs, >> >> I am using both the Bioconductor adds on (Affy, AffyPLM,...) and the >> 'standard' R-package. >> >> I am trying to select a list of genes which all have

Re: [R] If statements for vectors

2008-04-09 Thread Paul Johnson
On Wed, Apr 9, 2008 at 4:07 PM, Laura Bonnett <[EMAIL PROTECTED]> wrote: > Dear Sirs, > > I am using both the Bioconductor adds on (Affy, AffyPLM,...) and the > 'standard' R-package. > > I am trying to select a list of genes which all have expression values below > a certain threshold. > I hav

[R] If statements for vectors

2008-04-09 Thread Laura Bonnett
Dear Sirs, I am using both the Bioconductor adds on (Affy, AffyPLM,...) and the 'standard' R-package. I am trying to select a list of genes which all have expression values below a certain threshold. I have done this by creating a vector which has 0s where the expression is greater than the thres