Worst-rank score methods—a non-parametric approach to informatively missing data


28 September 2020 - A previous JAMA Guide to Statistics and Methods article briefly reviewed non-parametric statistics. 

Such statistical approaches represent the data using ranks of values rather than the observed values. 

This provides valid tests of significance, regardless of the underlying distributions of the values and without the need to posit parametric assumptions—thus the term “non-parametric statistics.” 

Read JAMA Guide to Statistics and Methods

Michael Wonder

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Michael Wonder

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Medicine , US , Data , Statistics