You can set observation colors based on the value of a nominal variable. This is a good way to display subsets of the data. Click on SEX in the data window. Click on the large multiple colors button ...

A variable's measurement level determines the way it is treated in analyses. In the data window, measurement levels appear above the variable names, in the upper right portion of the column header.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Tabulating the number of objects in categories of interest dates back to the earliest records of commerce and population censuses. So far in this column, we have discussed mainly the statistical ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. David is comprehensively experienced in many facets of financial and legal ...