| 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. 
 |