[BioC] pm mm intensity plot

[Wolfgang Huber]

23/04/2008 11:10 Almassy Balazs Mihaly a écrit
> Hi All!
>  I have a problem. I want to make an expression plot with the pm and mm
> intensitys of the genechip. I maked it good, but i want to colored the empty
> probe set. I have got a mapping vector which has got -1 if the probe set it
> empty and -2 if it not. Which function sould I use, and how?
> Thanks a lot!

Dear Almássy

perhaps what you want to achieve can be done by adding something like

 col=ifelse(mappingvector==-1, "orange", "blue")

or

 col=c("orange", "blue")[-mappingvector]

to the arguments of your call to plot.

Best wishes
 Wolfgang

------------------------------------------------------------------
Wolfgang Huber  EBI/EMBL  Cambridge UK  http://www.ebi.ac.uk/huber