“…See the salary range paid to female data scientists vs. male data scientists Learn how age, education level, and company size affect salary levels Discover the impact hours worked each week have on salary range Identify the data science tools that correlate to higher salaries Roger Magoulas is the director of market research at O'Reilly Media. Magoulas runs a team that is building an open source analysis infrastructure. …”

“…He wrote the popular lubridate R package; the R focused O'Reilly Media titles Hands-On Programming with R , R for Data Science (co-author), and Expert Data Wrangling with R …”