- Cross tabulation
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Cross tabulation is the process of creating a contingency table from the multivariate frequency distribution of statistical variables. Heavily used in survey research, cross tabulations (or crosstabs for short) can be produced by a range of statistical packages, including some that are specialised for the task. Survey weights often need to be incorporated. Unweighted tables can be easily produced by some spreadsheets and other business intelligence tools, where they are commonly known as pivot tables.
Definition and example
Definition: A matrix display of the categories of two nominal scaled variables, containing frequency counts of number of subjects in each bivariate category is called a contingency table. The following table lists the gender and the handedness for a sample population of 12 individuals:
Sample # Gender Handedness 1 Female Right-handed 2 Male Left-handed 3 Male Right-handed 4 Female Right-handed 5 Female Right-handed 6 Male Right-handed 7 Male Left-handed 8 Male Right-handed 9 Female Right-handed 10 Female Left-handed 11 Male Right-handed 12 Female Right-handed Cross-tabulation leads to the following contingency table:
Left-handed Right-handed Total Males 2 4 6 Females 1 5 6 Total 3 9 12 See also
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