[BioC] Warning: Beadarray examples

[Bobak]

Hello There,

I'm receiving the following warnings, when trying out the example 
provided in the Beadarray package.

Following is my system info.

R version 2.10.0 (2009-10-26) 
x86_64-apple-darwin9.8.0 

locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
datasets  tcltk     tools     stats    
graphics  grDevices utils     methods   base     

other attached packages:
debug_1.2.1          mvbutils_2.5.0       crlmm_1.4.0          beadarray_1.14.0 

And, here is the warning that I received after following the 
exact steps specified in the help file.

Warning messages:
1: In grep(colnames(QC[[i]]), colnames(exprs(BSData)), extended = FALSE) :
  'extended = FALSE' is deprecated
2: In grep(colnames(QC[[i]]), colnames(exprs(BSData)), extended = FALSE) :
 argument 'pattern' has length > 1 and only the first element will be used
3: In grep(colnames(exprs(BSData)), samples, extended = FALSE) :
 'extended = FALSE' is deprecated
4: In grep(colnames(exprs(BSData)), samples, extended = FALSE) :
argument 'pattern' has length > 1 and only the first element will be used

Please let me you if you have any idea about these messages.