Want to smooth out erratic stock price fluctuations and spot the underlying trend? In this tutorial, you’ll learn how to compute and visualize a rolling mean (moving average) of stock prices in R using tidyquant, zoo package’s rollmean(), and ggplot2. We’ll fetch Nvidia (NVDA) stock data from 2024 and show a clean time-series plot comparing… Continue reading How to make rolling mean line plot of stock data