... <看更多>

For example, plotting the corresponding 1st, 2nd, 3rd, etc., percentiles for each distribution. Q-Q plots are often used to plot an empirical data distribution ... ... <看更多>

http://ygc.name/2011/08/02/q-q-plots/. qqplot <- function(y, distribution=qnorm) {. x <- distribution(ppoints(y)). plot(x, sort(y),. ... <看更多>

Update: As folks have pointed out this answer is not correct. A probplot is different from a quantile-quantile plot. ... <看更多>

Here's what QQ-plots look like (for particular choices of distribution) on ... and modality of data and you can see how the histogram and QQ plot change. ... <看更多>