Linear model function lm() error: NA/NaN/Inf in foreign function call (arg 1)

Question

Say I have data.frame a

I use

m.fit <- lm(col2 ~ col3 * col4, na.action = na.exclude)

col2 has some <

Answer 1

I just encountered the same problem. get the finite elements using

finiteElements = which(is.finite(col3*col4))
finiteData = data[finiteElements,]
lm(col2~col3*col4,na.action=na.exclude,data=finiteData)