SUBJECT: A plot and a test for the chi-squared distribution AUTHOR: Patrick Royston, Royal Postgraduate Medical School, London SUPPORT: FAX (011)-44-181-740-3119 COMMENTS: Use standard in1 installation instructions. From inside Stata, on-line help is available. Type 'help qchi' and 'help a2'. The do-files sim.do and sim2.do illustrate the use of qchi.ado and a2.ado. They are stored in ./do. WARNING: These do-files require that you start with an empty data set. They will drop your current data without warning.