> I fitted a linear model: > fit <- lm(y ~ a * b + c - 1 , na.action='na.omit') wouldn't a simple coef(fit)[2] work? Jukka Ruohonen. > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html