search for: tp2322835p2322835

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2010 Aug 12
2
Linear regression on several groups
...X and a categorial variable Z with three levels. I want to do linear regression Y~X for each level of Z. How can I do this in a single command that is without using lm() applied three isolated times? -- View this message in context: http://r.789695.n4.nabble.com/Linear-regression-on-several-groups-tp2322835p2322835.html Sent from the R help mailing list archive at Nabble.com.