Overview for Pairwise Differences

Use Pairwise Differences to calculate and store the differences between each possible pair of values from two columns. For example, the following data set contains four pairs: {2, 1}, {2, 3}, {5, 1}, and {5, 3}. The pairwise differences equal the differences between the values in each pair. For this data set, the pairwise differences are: 1, −1, 4, and 2.

C1 C2
A B
2 1
5 3

You can use these differences for nonparametric tests and confidence intervals. For example, the median of the differences is equal to the point estimate of the median in the Mann-Whitney test.

Where to find this analysis

To perform pairwise differences, choose Stat > Nonparametrics > Pairwise Differences.

When to use an alternate analysis

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