9/5/2022

Problem session for Activity 3

• Volunteers will drop their solutions into !Student R Code - Solutions for Activities and Exercises on our Google Drive folder. Please title them Activty3-yourname.pdf and Activity3-yourname.R.

Chapter 3 - Graphs with gglot - see graph.R on our Google Drive folder

• Univariate graphs
  • histogram
  • density plot with kernel smoother
  • bar graph
  • stacked bar graph
• Multivariate graphs
  • scatterplot
  • scatterplot with regression line
  • scatterplot with multiple regression lines
    • using the mutate() function to create bins and the %>% and %+% operators to update a data frame
    • using different colors
    • another option with facets
  • scatterplot smoothing
  • time series plot
  • mosaic plot (eikosogram)
• Maps - see Chapter 17
• Networks - see Chapter 20

Activity 4 - we will have a PS on Wednesday

• Write an R script to create Figures 3.16, 3.17, 3. 18, and 3.19.

Please read Section 4.2 for class on Wednesday.