SVAw (Surrogate Variable Analysis web service) is a web and standalone application designed for surrogate variable analysis of microarray data. The application has been developed based on open source bioconductor SVA package [see citation]. In our software, we have extended the SVA program functionality in three aspects: (i) the SVAw performs a fully automated and user friendly analysis workflow; (ii) It calculates probe/gene Statistics for both pre and post SVA analysis and provides a table of results for the regression of gene expression on the primary variable of interest before and after correcting for surrogate variables; and (iii) it generates a comprehensive report file, including graphical comparison of the outcome for the user.



Documentation for SVAw architecture, installation and  data format



View usage for running standalone application as well as the Web server



Download source code and executable for both standalone and web application

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