Biointelligence

September 3, 2009

WebArrayDB: A Platform for Microarray Data Analysis

Filed under: Bioinformatics,Microarray — Biointelligence: Education,Training & Consultancy Services @ 3:02 pm
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 Microarray Data Analysis

Cross-platform microarray analysis is an increasingly important research tool, but researchers still lack open source tools for storing, integrating, and analyzing large amounts of microarray data obtained from different array platforms.

An open source integrated microarray database and analysis suite, WebArrayDB (http://www.webarraydb.org), has been developed that features convenient uploading of data for storage in a MIAME (Minimal Information about a Microarray Experiment) compliant fashion, and allows data to be mined with a large variety of R-based tools, including data analysis across multiple platforms. Different methods for probe alignment, normalization and statistical analysis are included to account for systematic bias. Student’s t-test, moderated t-tests, non-parametric tests, and analysis of variance or covariance (ANOVA/ANCOVA) are among the choices of algorithms for differential analysis of data. Users also have the flexibility to define new factors and create new analysis models to fit complex experimental designs. All data can be queried or browsed through a web browser. The computations can be performed in parallel on symmetric multiprocessing (SMP) systems or Linux clusters.
The software package is available for use on a public web server (http://www.webarraydb.org) or can be downloaded.

Check out WebArray at: http://www.webarraydb.org

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