User: Williams, Alan

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10 years, 2 months ago
Joined:
11 years, 5 months ago
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a************@affymetrix.com

Posts by Williams, Alan

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Answer: A: Question regarding Affy SNP 5.0/BI_SNP arrays
... Hi Claus-Dieter, The BI_SNP cel files are for GenomeWideSNP_5. These are probably CEL files generated by one of our early access customers or development partners prior to the creation of the final scanning library files which use the official GenomeWideSNP_5 chip type name. So in short, use the ...
written 10.2 years ago by Williams, Alan40
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Sc03b_MR_v04 CDF package
... Hi Ludo, James, and others, There are two separate issues. The first issue is that in some of the older tiling array library files (bpmap files) the mismatch probe was incorrectly assigned. For example, the same PM probe sequence may be present in two locations on the array and each PM probe is ass ...
annotation probe affy written 10.8 years ago by Williams, Alan40
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Answer: A: Affymetrix Human Exon Array MPS and PS files contain different probeset groups
... Hi Susan, Michal, and others, The MPS files have a specific purpose, to indicate which probesets to use for gene level estimates. We do not include all the probesets for a gene when computing gene level estimates. Specifically we only include unique probesets (based on cross hyb predictions) which ...
written 11.4 years ago by Williams, Alan40
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Answer: A: difference in RMA
... An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/bioconductor/attachments/20080211/ b73c1d5f/attachment.pl ...
written 11.4 years ago by Williams, Alan40

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