search for: strs307

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Did you mean: strs303
2009 Mar 21
2
factor with numeric names
...seed.str <- paste("S", Loblolly$Seed, sep="") seed.str <- factor(seed.str) fit <- lm(height ~ age + seed.str, data=Loblolly) fit Call: lm(formula = height ~ age + seed.str, data = Loblolly) Coefficients: (Intercept) age seed.strS303 seed.strS305 seed.strS307 -0.4301 2.5905 0.8600 1.8683 -1.9183 seed.strS309 seed.strS311 seed.strS315 seed.strS319 seed.strS321 0.5350 -1.5933 -0.8867 -0.3650 -2.0350 seed.strS323 seed.strS325 seed.strS327 seed.strS329 seed.strS331 0.3067 -...