Hello, You can try this: x=seq(-3,0,length=30) y=1/sqrt(2*pi)*exp(-x^2/2) plot(x,y,type="l",lwd=2,col="red") with: x: your vector between -3 and 0 (you can choose the length of your vector) y: the probability density function for the standard normal distribution formula -- View this message in context: http://r.789695.n4.nabble.com/create-a-normal-distribution-table-tp4641558p4641561.html Sent from the R help mailing list archive at Nabble.com.