Hi all!   I'm currently working with a data set I made. I am trying to make a histogram of the number of medical procedures on the x-axis (patient had 1 removed, 2 removed etc..) and the frequency on the y axis. I would like for an exponential line to be superimposed on the data set along with 95% confidence intervals. With the code I currently have, there is a line superimposed on the histogram but it's not fit very well. Please let me know if you know a way to graph an exponential line with confidence intervals. Thank you!   data lib1.akdata; set lib0.akdata; if actinic_keratoses ne 15; proc univariate; var actinic_keratoses; histogram/exponential (THETA=EST); run;   *More generally-Does anyone know how to make an exponential frequency (count) function with 95% CIs. ... View more