[R] Problems using "lm" in combination with "predict"

[Frede Aakmann Tøgersen]

> 
> My modelmatrix is of dimension  28x4
> 
> Then I want to make use of the function predict because there 
> confidence.intervals are include.
> 
> My idea was:
> 
> mod <- lm(y~Worktime+Vacation+Illnes+Bankholidays)
> 
> newdate=data.frame(x=c(324,123,0.9,0.1))


Perhaps you want to specify newdate like this

newdate=data.frame(Worktime = 324, Vacation = 123, Illness = 0.9, Bankholidays = 0.1))?



Best regards

Frede Aakmann Tøgersen
Scientist


UNIVERSITY OF AARHUS
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