OECD Social spending data analysis 4 - Calculating Confidence Interval using R

UnsplashのArda Demirkaynakが撮影した写真 www.crosshyou.info This post is following of above post. In the previous post, I made some visualizations with R ggplot2 package. In this post. In this post I will calculate confidence intervals. Firstly, let's see average value of variables. I see average p…