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h1. |
Question:
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How
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do
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I
...
import
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an
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Affy
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.TXT
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file
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into
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caArray?
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Topic
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:
...
caArray
...
Usage
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Release
...
:
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caArray
...
2.0
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and
...
above
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Date
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entered
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:
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04/15/2010
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Details
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about
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the
...
Question
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I
...
created
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a
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new
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experiment
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and
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put
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all
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the
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.cel,
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.txt,
...
idf
...
and
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.sdrf
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files
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(all
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from
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Affymetrix
...
platform)
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in
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one
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zip
...
folder
...
and
...
tried
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to
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upload
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it.
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I
...
got
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an
...
error
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message
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saying
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that
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the
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"File
...
type
...
"
...
for
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the
...
.txt
...
files
...
is
...
Unknown.
Answer
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:
- Upload all the files (idf, sdrf, .cel, and .txt) in the MAGE-TAB format into caArray
- Under "Manage Data" Tab, select all the files with extension of ".txt" files
- Click "Change File Type" button for each file
- Select "Affymetrix TXT" file type as the new file type
- Click on "Save" button
- Proceed to valid all the files under "Manage Data" Tab
- Upon successful validation, proceed to import all the files
Have a comment?
Please leave your comment in the caArray End User Forum.
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h2. Answer
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:
# Upload all the files (idf, sdrf, .cel, and .txt) in the MAGE-TAB format into caArray
# Under "Manage Data" Tab, select all the files with extension of ".txt" files
# Click "Change File Type" button for each file
# Select "Affymetrix TXT" file type as the new file type
# Click on "Save" button
# Proceed to valid all the files under "Manage Data" Tab
# Upon successful validation, proceed to import all the files
h2. Have a comment?
Please leave your comment in the [caArray End User Forum|https://cabig-kc.nci.nih.gov/Molecular/forums/viewtopic.php?f=6&t=577].
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