Stanford Biomedical Informatics

Classification of Expression Arrays Version 1.0

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Classification (Discriminant Analysis Implementation)

Clustering (K-means)

Visualization (Principal Components Analysis)

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Linear Discriminant Classification

Classify:	genes arrays
Postive Array File:
Negative Array File:
Cross Validate	or
Test Array File:
Penalty Value:
How do you want to deal with missing values? Zero Fill Average Over Genes Average Over Arrays
Indicate, how, and in which order you would like to transform the data, if at all
Step 1: Step 2: Step 3:	Do Nothing Log Data Row Normalize Column Normalize Row Rank Column Rank Do Nothing Log Data Row Normalize Column Normalize Row Rank Column Rank Do Nothing Log Data Row Normalize Column Normalize Row Rank Column Rank