# The ordering of future observations from multiple groups

```@article{CoolenMaturi2020TheOO,
title={The ordering of future observations from multiple groups},
author={Tahani Coolen-Maturi},
journal={arXiv: Methodology},
year={2020}
}```
There are many situations where comparison of different groups is of great interest. Considering the ordering of the efficiency of some treatments is an example. We present nonparametric predictive inference (NPI) for the ordering of real-valued future observations from multiple independent groups. The uncertainty is quantified using NPI lower and upper probabilities for the event that the next future observations from these groups are ordered in a specific way. Several applications of these…

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