LMGene User’s Guide

نویسندگان

  • Geun-Cheol Lee
  • John Tillinghast
  • David M. Rocke
چکیده

2 Data preparation LMGene takes objects of class ExpressionSet, which is the standard data structure of the Biobase package. Therefore, the user who already has data that is of class ExpressionSet can jump to further steps, such as g-log transformation or looking for differentially expressed genes. Otherwise, the user needs to generate new objects of class ExpressionSet. For more detail, please see the vignette, ‘An Introduction to Biobase and ExpressionSets’ in the Biobase package. Note: ExpressionSet. In this package, an object of class ExpressionSet must produce proper data using the commands exprs(object) and phenoData(object). Example. LMGene includes sample array data which is of class ExpressionSet. Let’s take a look this sample data. 1. First, load the necessary packages in your R session.

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تاریخ انتشار 2007