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Hi Karen, Karen Vranizan wrote: > How would one get an overall F test (moderated) and p value for a one-way anova with 4 groups? After you have fit your model and done the eBayes() step, the resulting MArrayLM object will contain the F-statistic and p-value, which can be extracted. Say your MArrayLM object is called fit2. Then fit2$F will give you the F-stat and fit2$F.p.value will give you the unadjusted p-value. Best, Jim > > Karen Vranizan > Functional Genomics Lab > 261A Life Sciences Addition > Mail Code #3200 > UC Berkeley, CA 94720-3200 > > Phone: 510-642-7520 > Fax: 510-643-2685 > email: vranizan at berkeley.edu > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor -- James W. MacDonald, M.S. Biostatistician Affymetrix and cDNA Microarray Core University of Michigan Cancer Center 1500 E. Medical Center Drive 7410 CCGC Ann Arbor MI 48109 734-647-5623 ********************************************************** Electronic Mail is not secure, may not be read every day, and should not be used for urgent or sensitive issues.