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model1
2011 Aug 22
3
Multiple regression in R - unstandardised coefficients are a different sign to standardised coefficients, is this correct?
...been imported from SQL, and outliers removed).
Z1sub <- Z1[, c(2, 5, 7,11, 12, 13, 15, 16)]
colnames(Z1sub) <- c("temp", "hum", "wind", "press", "rain", "s.rad",
"mean1", "sd1" )
attach(Z1sub)
names(Z1sub)
Model1d <- lm(mean1 ~ hum*wind*rain + I(hum^2) + I(wind^2) + I(rain^2) )
summary(Model1d)
Call:
lm(formula = mean1 ~ hum * wind * rain + I(hum^2) + I(wind^2) +
I(rain^2))
Residuals:
Min 1Q Median 3Q Max
-1230.64 -63.17 18.51 97.85 1275.73
Coefficients:...