SUBJECT: Practical rules for bandwidth selection in univariate density estimation AUTHORS: I.H. Salgado-Ugarte, M. Shimizu & T. Taniuchi, Univ. of Tokyo Faculty of Agriculture, Department of Fisheries, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113, Japan. Tel. (011)-81-3-3812-2111 ext. 5281 FAX (011)-81-3-3812-0529 EMAIL: fes01@tzetzal.dcaa.unam.mx COMMENTS: Use standard in1 installation instructions. Copy the executable Turbo Pascal programs (l2cvwarf.exe, bcvwarpf.exe, and warpingc.exe) to your work directory (data directory) or to some other directory in your PATH. From inside Stata, on-line help is available. Type 'help bandw', 'help l2cvwarp', 'help bcvwarp', 'help kerneld', 'help warpden', or 'help warpdens'. The data sets discussed in the insert can be found in the .\dta subdirectory. The source code for the Pascal programs discussed in the insert can be found in the .\pascal subdirectory.