Hi,

I am using combineAffyBatch function from package matchprobes,but I  
got the following error:

library(matchprobes)
res<-combineAffyBatch(list(abatch1,abatch2), probepkg=c 
("hgu133a2probe","hgu133plus2probe"), newcdf="hgu133andPluscdf",  
verbose=TRUE)
Loading required package: hgu133a2probe
package:hgu133a2probe	hgu133a2probe	
package:hgu133plus2probe	hgu133plus2probe	
241837 unique probes in common
Error in alleq(levels(x[[nm]]), levels(y[[nm]])) && alleq(x 
[sharedRows,  :
   invalid 'x' type in 'x && y'


sessionInfo()
R version 2.6.0 (2007-10-03)
i386-apple-darwin8.10.1

locale:
en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] splines   tools     stats     graphics  grDevices utils      
datasets  methods   base

other attached packages:
[1] hgu133a2probe_2.0.0    hgu133plus2probe_2.0.0  
hgu133plus2cdf_2.0.0   affyQCReport_1.16.0    geneplotter_1.16.0
[6] lattice_0.16-5         annotate_1.16.0         
AnnotationDbi_1.0.6    RSQLite_0.6-3          DBI_0.2-3
[11] RColorBrewer_1.0-1     affyPLM_1.14.0          
xtable_1.5-2           simpleaffy_2.14.05     gcrma_2.10.0
[16] matchprobes_1.10.0     genefilter_1.16.0       
survival_2.34          affy_1.16.0            preprocessCore_1.0.0
[21] affyio_1.6.1           Biobase_1.16.1

loaded via a namespace (and not attached):
[1] KernSmooth_2.22-21 grid_2.6.0


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