Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...

Learn how to make everything from basic line graphs to racing bar charts — all interactive and easily animated — with the echarts4r R package. While I’m mostly settled on ggplot2 for static plots, I’m ...

A quick note before we start: I have covered top 20 libraries below. It might get little confusing when you try to pick one for your project as there are many factors to consider. So here is something ...

When you first start exploring the stock market, the sheer volume of information can feel overwhelming. Complex charts filled with colored boxes and thin lines (candlesticks) often lead to what we ...