M3 - Data Exploration

Learning Goals

• Properly set up a data analysis session in RStudio
• Apply data exploration skills to a real-world example dataset
  • Import and explore datasets in R
  • Graphically explore datasets in R
• Discuss and navigate different data types in R
• Wrangle and format date objects

Lesson Documents

Download these and import into the Lessons folder of your workspace:

• 03_DataExploration.Rmd
• 03_DataExploration_Part2.Rmd

Lab Documents

• 03Lab_MoreDataExploration.Rmd
• 03Lab_TheHereLibrary.Rmd
• Coding challenge answers

Assignment Document

• A03_DataExploration.Rmd
• Metadata folder: Unzip this into your workspace’s Data folder; it includes the metadata for the various datasets we use.

Recordings

• Best practices, working directories, & importing data
• Dataset attributes & summaries; Missing data
• Working with dates; editing & saving data
• Review - prepping for data exploration
• Data types, grammer of graphics, bar plots, & histograms
• Frequency line graphs and box plots
• Scatterplots and closing remarks

Additional Resources

• https://r-graph-gallery.com/
• YAML to add to lesson files