Note the column name, mpg, is unquoted. That feature hasn’t been handy, though, if you want to write your own R functions using the tidyverse. That’s because base R functions usually need ...

The three most common open source technologies for writing data science programs are Python, SciLab, and R. Here's how to write program-defined functions in R.

Learn how to make everything from basic line graphs to racing bar charts — all interactive and easily animated — with the echarts4r R package.