search for: year1992

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2007 Dec 07
1
Adding a subset to a glm messes up factors?
...3Q Max -2.0962 -0.5851 -0.1241 0.4805 3.9236 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.8899 0.1844 4.825 1.42e-06 *** year1990 -0.6107 0.1925 -3.173 0.00152 ** year1991 -1.7466 0.1902 -9.184 < 2e-16 *** year1992 -1.4061 0.1864 -7.544 5.07e-14 *** year1993 -1.4069 0.1860 -7.565 4.31e-14 *** ... > model<-glm(log(cpue)~year,family=gaussian,subset(data.all,species=="n") Call: glm(formula = log(cpue) ~ year, family = gaussian, data = subset(data.all, species == "n&qu...