[R] Predict

[Dieter Menne]

Ricardo L Gómez <rgomezye <at> educ.umass.edu> writes:

> lm(formula = outcom ~ vari1 + vari2 + dummy1 + dummy2)
.. 
> but now, using this model, I need to calculate the predicted value of 
> OUTCOM (only for one observation) , when vari1=8 and vari 2 =64, and 
> also the confidence interval....(the data set has total of 24 
> observations),

There is an example in predict.lm that does exactly what you need.

Dieter