GESS

Analysis of Variance (GLM)

The GESS Analysis of Variance (GLM) procedure can be used to obtain false discovery rate or experiment-wise error rate (Bonferroni) adjusted P-values for single- and multiple-factor experimental designs. Up to ten factors including interactions may be specified. The designs may involve fixed, random, and/or nested factors with optional covariates. Common designs that may be analyzed using this procedure are Completely Randomized, Randomized Complete Block, Analysis of Covariance, Latin Square, Fractional Factorial, and Incomplete Block Designs. Repeated Measures Designs and Split-Plot designs may also be analyzed with the procedure, but a separate procedure has been devoted to Repeated Measures Designs.

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Most Recent GESS Update
Released June 18, 2007

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GESS Procedures & Reports

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Supported Platforms
Affymetrix®
GenePix®
Agilent®
Two-Channel Files
Expression Data Files

Affymetrix® Arrays
RMA Expression Algorithm
Gene List Subsets
Chip Quality Summaries
Background Correction
Quantile Normalization
Comparative Box Plots
Spatial Anomaly Plots

Two-Channel Arrays
Whole-Array Box Plots
Print-tip Box Plots
MA Loess Plots
Spatial Anomaly Plots
Spot QC Summaries
Array QC Summaries
Weak Signal Filters
Background Filters
Loess Normalization
Gene List Subsets
Subset Box Plots
Dye-Swap Compatible

Statistical Analyses
Fold-Change Analysis
Paired T-Tests
One-Group T-Tests
Two-Group T-Tests
One-Factor ANOVA
Two-Factor ANOVA
Repeated Measures ANOVA
GLM ANOVA
Analysis of Covariance
Multiple Regression
Cox Regression
Logistic Regression
Principal Components Analysis
Hierarchical Cluster Analysis

Multiple Testing Correction
Bonferroni
False Discovery Rate

Hierarchical Clustering
Eight Clustering Methods
Three Scaling Methods
Double Dendrograms
Custom Heat Maps

Data Utilities
Save Data to Spreadsheet
File Description
Export to TXT File


Minimum System Requirements
Click on one of the links below to view the minimum system requirements for NCSS and PASS products:
PASS 11
PASS 2008
NCSS 2007
Previous Versions

Accuracy
We at NCSS have put a great deal of effort into finding the most accurate algorithms possible. The programs have been tested and verified over and over, both by us and by our customers. Each routine has been verified against textbooks, journal articles, and, where possible, other software. NCSS and PASS are some of the most accurate statistical analysis programs available. NCSS and PASS calculate with seventeen-digit, double-precision accuracy.

Guarantee
If you are not completely satisfied with an NCSS product during the first 30 days for any reason, return the program for a full, prompt refund (excluding shipping).

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