Cartesian DataSciences is a company that provides advanced analytics services such as predictive models or optimization. Many companies that claim to do analytics are actually using standardized tools to do things like cross tabs or data visualization. By contrast, Cartesian is writing code in Python or R. The company has 200 data scientists doing work under the supervision of PhDs. Tools and methods used in various projects include regression, clustering, Random Forest, Extreme Gradient Boosting (XGB), Markov Chains, genetic algorithms, multi-armed bandits, Pareto/NBD (Negative Binomial Distribution), Support Vector Machine (SVM), collaborative filtering, time series forecasting, and linear programming, among others. Several clients have won marketing awards for work that was done by Cartesian.