While these programs may be purchased as part of packages like SPSS, other similar programs are available for free download.
Work is in progress for stand-alone versions of the other programs listed above.
After downloading and installing the NORM program, you will find that there are some example files to work with. Your own files will need to be saved in the .dat format. After opening the file, you will note that there are four file folder tabs to work with. In the data tab, you will see your data and will need to enter the value assigned to your missing data. In the data folder tab, it is possible to enter variable names and to obtain basic descriptive information.