.- help for ^qexp5^ .- Quantile-quantile plot for data vs fitted exponential distribution ------------------------------------------------------------ ^qexp5^ varname [^if^ exp] [^in^ range] [ ^, m^ean^(^#^) gr^id graph_options ] Description ----------- ^qexp5^ plots the quantiles of varname against the quantiles of a one-parameter exponential distribution, with distribution function 1 - exp(-varname / mean). The values of varname should be zero or positive. Note: this is the original version of ^qexp^, written for Stata 5. Users of Stata 8 up should switch to ^qexp^. Options ------- ^mean(^#^)^ specifies that the mean of the fitted distribution is to be #. If ^mean()^ is not specified the mean of the data set is used. ^grid^ adds grid lines at the .05, .10, .25, .50, .75, .90, and .95 quantiles. graph_options are any of the options allowed with ^graph, twoway^; see help for ^graph^. Examples -------- . ^qexp5 precip^ Author ------ Nicholas J. Cox, University of Durham, U.K. n.j.cox@@durham.ac.uk Also see -------- On-line: help for @graph@