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- 2.1 The basics & data types
- 2.1 Case study: US Gun Murders
- 2.2 The very basics
- 2.3.1. Sum of integers 1,...,100
- 2.3.2. Sum of integers 1,...,1000
- 2.3.3. Interpret code
- 2.3.4. Nested functions
- 2.3.5. Interpret code
- 2.4 Data types
- 2.5.1. Variables in a dataframe
- 2.5.2 Variable names
- 2.5.3 Examining Variables
- 2.5.4 Multiple ways to access variables
- 2.5.5 Factors
- 2.5.6 Tables
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# Load package and data
# Determine the number of regions included in this variable