Dear all, I want to use heatplot command to plot correlation coefficients graph.
here is the example code.Can I add significance level for displaying with a star(* ** ***) to the graph?
Code:
. quietly sysuse auto, clear
. quietly correlate price mpg trunk weight length turn foreign
. matrix C = r(C)
. heatplot C, values(format(%9.3f)) color(hcl, diverging intensity(.6)) ///
  legend(off) aspectratio(1) lower
Code: