Is there a way of changing the colour, to red say, of only significant coefficients on the coefplot plot?
For example (plot 2 in coefplot's helpfile),
require(coefplot)
y1 <- rnorm(1000,50,23)
y2 <- rbinom(1000,1,prob=0.72)
x1 <- rnorm(1000,50,2)
x2 <- rbinom(1000,1,prob=0.63)
x3 <- rpois(1000, 2)
x4 <- runif(1000,40,100)
x5 <- rbeta(1000,2,2)
longnames <- c("a long name01","a long name02","a long name03",
"a long name04","a long name05")
fit1 <- lm(y1 ~ x1 + x2 + x3 + x4 + x5)
# plot 2
longnames <- c("(Intercept)", longnames)
coefplot(fit1, longnames, intercept=TRUE)
1 Answer
You don't necessarily need to do that even though it would be nice...If the coefficient plot's 95% confidence interval stretches past zero on either side, then it is not significant at the 5% level. Vice versa, if it does not, then it is statistically significant from 0 at the 5% level. Hope that makes sense!
