




Dear Sir/Madam,I have successfully made an annotation package following the tutorial, Building Annotation Packages with pdInfoBuilderfor Use with the oligo Package. However, when I loaded the XYS files into R,  it failed with error:  ‘'pd.090319.zea.kr.exptil' is not a valid installed package’and this annotation could not be loaded as well.Could you tell me what is the matter with this annotation package and how to solve this problem?Looking forwad to your reply!!
Yours sincerelyMaggie
 		 	   		  
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