Introduction In this post, I am going to demonstrate how to display Chinese characters in ggplot2 #loading necessary packages library(rvest) library(xml2) library(tidyverse) library(tidytext) library(knitr) Let’s get our text data by scraping Chien-Ming Wang’s page on Wikipedia.

Introduction Recoding values is one of the most common tasks a researcher needs to do before data analysis. For me, often I need to prepare my data in R first before using it for advanced statistical analyses in Mplus.

Introduction In this post, I am going to demonstrate how to compute composite scores or means aggregated over multiple items. There are at least two approaches to achieve the goal.