Matching Arabidopsis CEL files to annotation (for an ExpressionSet)
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Jan T. Kim ▴ 20
@jan-t-kim-3031
Last seen 9.6 years ago
Dear All, the comprehensive gene expression matrix available from ftp://ftp.arabidopsis.org/home/tair/Microarrays/analyzed_data/affy_dat a_1436_10132005.zip uses CEL file names as column labels (e.g. "X0121.CEL"). Is there a mapping from these to some form of "phenoData" style annotation available anywhere? I'd like to create an ExpressionSet from (parts) of this matrix and then to select arrays systematically based on the annotation. At this time I even have difficulty getting from the CEL file names to any form of annotation, so I'd also be grateful for pointers on this. Best regards & thanks in advance, Jan -- +- Jan T. Kim -------------------------------------------------------+ | email: j.kim at .uea.ac.uk | | WWW: http://www.cmp.uea.ac.uk/people/jtk | *-----=< hierarchical systems are for files, not for humans >=-----*
Annotation Annotation • 748 views
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