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dummy1
2011 Dec 09
0
Summary model with observations taken out and dummied back in - not working
...iables. I have removed 4
observations as they were skewing the data analysis but I want to dummy them
back in, (not entirely sure on the reason, but have been told I should try).
I have used this in order to do it, but I am not getting any statistical
analysis with my dummy it's all NA.
> dummy15=rep(0, times=n)
> dummy15[15]=1
> which(psubset1==0)
[1] 10 15 21 27
> dummytest = lm(price ~ pct.children + wealth + pct.walk + pct.emp +
> dummy15, data = mydata, *subset = as.logical(subset)*)
> summary(dummytest)
Call:
lm(formula = price ~ pct.children + wealth + pct.walk + p...