inst/snippet/airp-modcomp1.R

# convert location to a numeric variable for convenience
airp <- airpollution; airp$loc <- as.numeric(airp$location); airp
model <- lm(pollution~location, airp)
model2 <- lm(pollution~  1 + (loc==3), airp)
anova(model2,model)

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fastR documentation built on May 1, 2019, 11:18 p.m.