RTopper-package | R Documentation |
Gene sets analysis considers whether genes sharing a biological
property also behave in a related way in experimental data.
This technique is commonly used in high throughput genomic
analyses to assist results interpretation, and has been successfully
applied in cancer genome projects for integrating information from
multiple genome-wide assays. The RTopper
package uses
gene sets analysis to overcome the diversity of genomic data
providing the statistical framework for integration across data types.
Package: | RTopper |
Type: | Package |
Version: | 0.1 |
Date: | 2010-11-12 |
License: | GPL version 3 or newer |
Rtopper
enables two gene set-based data integration
approaches:
Integration+GSA: computing integrated gene-to-phenotype association scores, followed by conventional gene sets analysis;
GSA+Integration: computing consensus significance score after all data types are analyzed individually;
Use of alternative enrichment test: RTopper
uses
the Wilcoxon rank-sum test for enrichment testing, however
alternative tests can be defined and used;
Multiple testing correction: RTopper
enables
adjustment of p-values obtained from enrichment analysis;
Luigi Marchionni marchion@jhu.edu
Svitlana Tyekucheva, Luigi Marchionni, Rachel Karchin, and Giovanni Parmigiani. "Integrating diverse genomic data using gene sets." Manuscript submitted.
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