You can get a lot of mileage out of just using R, dplyr, ggplot2 and lm/glm. OLS still performs well in a lot of problem spaces. Understanding your data is the

You can get a lot of mileage out of just using R, dplyr, ggplot2 and lm/glm. OLS still performs well in a lot of problem spaces. Understanding your data is the key there, and a lot of exploratory visualization there will help a lot.