Smirnov Test

The Smirnov Test, also known as the Kolmogorov-Smirnov test, is a statistical method used to compare a sample's distribution with a known reference distribution or to compare two samples to see if they come from the same distribution. It measures the maximum difference between their cumulative distribution functions (CDFs). If this difference is large enough, it suggests the samples are from different distributions. It's commonly used in hypothesis testing to assess whether data fits a specified pattern or to compare groups without making strong assumptions about their distributions.