UnsplashのNatalia Marcelewiczが撮影した写真 www.crosshyou.info This post is following of the above post. In this post, let's visualize data with ggplot2 package. First, let's make an overall histogram. Many observations are 100% care. Next…

Generated by Bing Image Creator: Long wide range landscape of beautiful beach, photo style www.crosshyou.info This post is following of the above post. CSV files from World Bank web site includes country meta data file like below. I will l…