Nonparametric

Nonparametric Analysis

A class of data analysis procedures for statistical hypothesis testing that, unlike parametric statistical analysis, makes no assumptions about the sampling distribution of a statistic being evaluated, nonparametric statistical analysis is also called distribution-free statistical analysis. The two terms have a slightly different meaning but are frequently used interchangeably. While nonparametric statistical inference is not

Nonparametric Matching and Propensity Scores – iResearchNet

In problems studying the effects of a given intervention or treatment on health outcomes or health costs, it is often the case that researchers and analysts are faced with using observational study data to draw inferences. The use of such data gives rise to various concerns about biases that may influence treatment effect estimates. In