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<strong>Applicable Releases:</strong> caArray 2.0 and above
<strong>Date entered:</strong> 04/15/2010
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question}}Question: How to Import Affy .TXT file into caArray? {{questionEnd
I created a new experiment and put all the .cel, .txt, idf and .sdrf files (all from Affymetrix platform) in one zip folder and tried to upload it. I got an error message saying that the "File type " for the .txt files is Unknown.
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answer}}Answer:{{answerEnd
caArray cannot automatically detect the Affymetrix .txt file format during file validation and import. In order for caArray to validate and import the files, users need to manually identify these files to be Affymetrix .txt files.
Steps below outline the procedure necessary to import Affymetrix .txt files into caArray:
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