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Activity Number:
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342
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Type:
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Contributed
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Date/Time:
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Tuesday, August 8, 2006 : 2:00 PM to 3:50 PM
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Sponsor:
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Biometrics Section
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| Abstract - #307610 |
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Title:
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Analysis of Microarray Data: Two Examples
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Author(s):
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Meng Du*+ and Muni Srivastava
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Companies:
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University of Toronto and University of Toronto
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Address:
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Statistics, Toronto, ON, M5S 3G3, Canada
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Keywords:
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DNA microarrays ; high dimensional data ; global mean test ; multiple testing
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Abstract:
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Two microarray datasets are analyzed. The correlation structures of the datasets are first examined using the diagonality and sphericity tests by Srivastava (2005, 2006). A global mean test by Srivastava and Du (2006) is applied to check whether the genes of the two groups in each dataset are differentially expressed. And several newly proposed multiple testing procedures are used to discover which genes may have caused the difference. All the methods applied are for high dimensional data, particularly with the sample size smaller than the dimension.
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