O'Reilly Answers is a community site for sharing knowledge, asking questions, and providing answers that brings together our customers, authors, editors, conference speakers, and Foo (Friends of O'Reilly). More »
Microsoft Excel is, properly speaking, not a statistical package at all, although it is sometimes used as one. Excel is a spreadsheet application produced by Microsoft Corporation that is frequently u...
R is a programming language that functions as a statistical package because of the many pre-written statistical routines (computer code written to perform a particular task) that are available. It dif...
SAS is a statistical software package that was developed at North Carolina State University in the 1960s, and since 1976 has been a commercial product sold by SAS Institute. It is another step up in c...
SPSS is a general-purpose statistical computing package sold by SPSS, Inc., which was first released in 1968. It is widely used by social scientists (the name originally meant Statistical Package for ...