R remains the leading tool, with 49% share (up from 46.9% in 2015), but Python usage grew faster and it almost caught up to R with 45.8% share (up from 30.3%). RapidMiner remains the most popular general platform for data mining/data science, with about 33% share. Notable tools with the most growth in popularity include Dato, Dataiku, MLlib, H2O, Amazon Machine Learning, scikit-learn, and IBM Watson.

The increased choice of tools is reflected in wider usage. The average number of tools used was 6.0, vs 4.8 in 2015.

[totalpoll id=”1603″]