standardize IC50 like pH?

https://www.collaborativedrug.com/buzz/2014/07/14/why-using-pic50-instead-of-ic50-will-change-your-life/

***, compound profiling, initial thoughts

These compounds are 'newly designed and synthesized' and their targets are needed to be identified and verified.

PCA, then, Euclean distance,  MCL
PCA, then K-means

For comparison: Elastic net

Score criteria: jaccard index with original annotation.

https://en.wikipedia.org/wiki/Jaccard_index