Ch3.R

3. Beginning data exploration – using
software tools

3.1 Beginning to use R
3.1.1 Getting help
3.1.2 Starting with R
      Data names
3.1.3 Inputting data
      Combine c() command
3.1.4 Seeing what data items you have
      List items ls() command
      Remove items rm() command
3.1.5 Previous commands and R history
      Saving history of commands
      Saving the workspace
      Saving a snapshot of your R session
      Annotating work
3.1.6 Additional analysis packages
      Loading extra analysis routines using the library() command
3.1.7 Exiting R q() command
3.2 Manipulating data in a spreadsheet
3.2.1 Sorting
3.2.2 Data filtering
3.2.3 Paste special
3.2.4 File formats
3.2.5 Opening a CSV file in Excel
3.2.6 Lookup tables
      Roman numerals
      Using the IF() function to ignore blank cells
3.2.7 Pivot tables
      Customizing and saving pivot tables
3.3 Getting data from Excel into R
      The read.csv() command

4. Exploring data – looking at
numbers