- What’s DA? What’s DA for? 科學方法（王若琳）
- Modules of data analysis
- Iris Data (Slides of Duyen Do)
- Coding: R
- Dig out the R built-in data set related to “ToothGrowth”
- Among the variables of the data set, which one is the categorical variable (factor)?
- Construct the graph of two histograms where the upper histogram for the numerical variable with larger average while the lower histogram for the other numerical variable.
Practice & Play