search for: mi01

Displaying 2 results from an estimated 2 matches for "mi01".

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2007 Feb 09
1
subset function
Hello R-Users, I have the following problem with the subset function: See the following simple linear model. Here everything works fine: >germany<-lm(RENT~AGE1, in.mi01) However, if a use the same regression equation and only specify a subset, I get an error message: > berlin<-lm(RENT~AGE1, in.mi01, subset=C_X01=="Berlin") Error in lm.fit(x, y, offset = offset, singular.ok = singular.ok, ...) : 0 (non-NA) cases The datase...
2007 Feb 09
2
LM Model
Dear R-Users, How can I put a pre-defined regression model into to an object of class lm in order to use the predict.lm function. A simplified example: I would normally run a regression analysis on a dataset, > germany<-lm(RENT~AGE1, in.mi01) > summary(germany) Call: lm(formula = RENT ~ AGE1, data = in.mi01) Residuals: Min 1Q Median 3Q Max -12.193 -3.646 -1.009 2.101 49.025 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 13.283639 0.063020 210.78 &lt...