A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model results.

The chi-squared test, often written as χ2 test, is a statistical hypothesis test used in the analysis of categorical variables to determine whether observed data are different from expectations. In ...

The tools available in OIM Analysis™ are always being updated and improved upon. With the recent release of OIM Analysis™ v8, the full suite of indexing options is now available outside our data ...