Why I Don't Like Percents

I prefer fractions and ratios over percents. Here are the reasons.

How Can Machine Learning be Reliable When the Sample is Adequate for Only One Feature?

It is easy to compute the sample size N1 needed to reliably estimate how one predictor relates to an outcome. It is next to impossible for a machine learning algorithm entertaining hundreds of features to yield reliable answers when the sample size < N1.

New Year Goals

Methodologic goals and wishes for research and clinical practice for 2018