This probably should be a FAQ. You will find an example (with code) here, along with a bazillion other example of nifty R graphics.
http://addictedtor.free.fr/graphiques/thumbs.php http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=88 Charles Annis, P.E. [email protected] phone: 561-352-9699 eFax: 614-455-3265 http://www.StatisticalEngineering.com -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of AbouEl-Makarim Aboueissa Sent: Tuesday, June 23, 2009 7:58 PM To: [email protected] Subject: [R-sig-teaching] Graph critical region Dear All: I need some help with graphing the critical regions of hypothesis testing. Consider the Z-test, assume Z=3.2, and alpha=0.05 (that is Z_(a.pha/2)=1.96. Then how to graph the rejection region in the following three cases: Left-tailed test Right-tailed test Two tailed test Same for the T-test. Thank you so much for your times. Abou ========================== AbouEl-Makarim Aboueissa, Ph.D. Assistant Professor of Statistics Department of Mathematics & Statistics University of Southern Maine 96 Falmouth Street P.O. Box 9300 Portland, ME 04104-9300 Tel: (207) 228-8389 Email: [email protected] [email protected] Office: 301C Payson Smith [[alternative HTML version deleted]] _______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-teaching _______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-teaching
