For the third consecutive year, O’Reilly Media conducted an anonymous survey to expose the tools that successful data scientists and engineers use, and how those tool choices might relate to their salary.

Want to know what you need to know to earn the big bucks? Knowledge of certain tools can increase your salary more than getting a Ph.D. Curious what clusters of tools are most commonly used together? Or what job titles pay the best? It’s all there.

Gain insight from these potentially career-changing findings, and plug your own variables into one of the linear models to predict your own salary.

Read the full survey here.