Unit05 Outlines：
◆ Visualization & Exploratory Data Analysis (EDA)
◆ The ggplot2 Package – Map Variables to Attributes
◆ Comparing Attributes with Scatter Plots
◆ Group and Sub-group Comparison with Bar Plots
◆ Observing Trend with Line Plots
Unit Notebook：
◆ Scatter Plots for Comparing Attributes : geom_point.html
◆ Bar Plots for Group Comparison : geom_bar.html
◆ Comparing Trends in Line Plots : geom_line.html
Google Drive：
Unit05 Assignment： Due: 2026/10/12 (Mon.) 23:59
Personal Assignment: geom_point, geom_bar & geom_line.Rmd
Study the code, Do the exercises, Knit them as HTML file and uploaded to
[ ~/person/05_ggplot/ ] with filenames “student.ID_geom_point/bar.html”
References：
◆ John Hopkins: R Programming online course
◆ John Hopkins: R Programming eBook
◆ Harvard: Data Science ebook
◆ Week05 Video Recording