| Class | Description | 
|---|---|
| ANOVATest | ANOVA Test for continuous data. | 
| ChiSquareTest | Chi-square hypothesis testing for categorical data. | 
| Correlation | API for correlation functions in MLlib, compatible with DataFrames and Datasets. | 
| FValueTest | FValue test for continuous data. | 
| KolmogorovSmirnovTest | Conduct the two-sided Kolmogorov Smirnov (KS) test for data sampled from a
 continuous distribution. | 
| Summarizer | Tools for vectorized statistics on MLlib Vectors. | 
| SummaryBuilder | A builder object that provides summary statistics about a given column. |