npclust

Nonparametric tests for clustered data in pre-post intervention design documented in Cui and Harrar (2021) doi:10.1002/bimj.201900310 and Harrar and Cui (2022) doi:10.1016/j.jspi.2022.05.009. Other than the main test results mentioned in the reference paper, this package also provides a function to calculate the sample size allocations for the input long format data set, and also a function for adjusted/unadjusted confidence intervals calculations. There are also functions to visualize the distribution of data across different intervention groups over time, and also the adjusted/unadjusted confidence intervals.

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