Entering edit mode
Javier Pérez Florido
▴
840
@javier-perez-florido-3121
Last seen 6.7 years ago
Dear list,
I am trying to use MAplot (affyPLM packages) using 2 arrays for the
argument 'which' and the same arrays for the argument 'ref'.
So
/library(affyPLM)
library(affydata)
data(Dilution) # Dilution data set
par(mfrow=c(2,1),1)
MAplot(Dilution,which=c(1,3),ref=c(1,3),plot.method="smoothScatter") /
I got the following warnings
/Warning messages
1: In if (i != ref) { :
the condition has length > 1 and only the first element will be
used
2: In if (i != ref) { :
the condition has length > 1 and only the first element will be
used/
The reference mean array is not built and, thus, the MAplot is not
correct
However, the same piece of code on an expression set object works:
/
eset<-threestep(Dilution)
par(mfrow=c(2,1),1)
MAplot(eset,which=c(1,3),ref=c(1,3),plot.method="smoothScatter")/
What's the problem on affybatch objects?
Thanks in advance,
Javier
[[alternative HTML version deleted]]