Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Robert Kelly is managing director of XTS Energy LLC, ...

You can assign markers automatically based on the value of a nominal variable. This is a good way to distinguish quickly between groups of observations. Select SEX in the data window. Click on the ...

Both PROC PRINQUAL and PROC CORRESP can be used to summarize associations among variables measured on a nominal scale. PROC PRINQUAL searches for a single nonlinear transformation of the original ...

Tables of contents for recent issues of Oxford Economic Papers are available at http://oep.oupjournals.org/contents-by-date.0.shtml. Authorized users may be able to ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...