Histograms Courses
San Jose State University via Udacity Teaching Statistical Thinking: Part 1 Descriptive Statistics
Duke University via Coursera Introductory Statistics : Analyzing Data Using Graphs and Statistics
Seoul National University via edX 大学生のためのデータサイエンス（Ⅰ）(ga109)
Shiga University via gacco Exploratory Data Analysis with Seaborn
Coursera Project Network via Coursera Plots (Graphics) for Data Science
Coursera Project Network via Coursera Understanding Data Visualization
DataCamp Image Processing in Python
DataCamp Data Visualization in R
DataCamp Six Sigma: Certified Lean Six Sigma White Belt (Accredited)
Udemy