





Dear List£¬


 

I am a beginner in learning the package of
Biostrings currently and for practice doing an example.


 

 library(Biostrings);
 dnaAlph<-new("BioPatternAlphabet",DNAAlphabet(),c(N="AGCT",
 B="CGT",D="AGT",H="ACT",K="GT",M="AC",R="AG",S="CG",
 V="ACG",W="AT",Y="CT"));
Error in getClass(Class, where =
topenv(parent.frame())) : 
       
"BioPatternAlphabet" is not a defined
class


 

I am running R 2.4.1, 
Wimdows XP, Biostrings_2.2.1
Any help or suggestions that you can
provide will be greatly appreciated.


 

Qing



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