Help file for pyramid tutor This tutor will tell you how to: - read datafile and make simple lists of contents - define new variables - change file format from long to wide format - convert a string to a numerical variable - draw population pyramids NOTE Hbar.ado developed by N.Cox must be installed for the population pyramids to be plotted When starting the pyramid tutor You will be told where the fyn.dta should be copied to. Start the tutor by: tutorial pyramid Author Jens M.Lauritsen. 1999 mail: JM.Lauritsen@@dadlnet.dk