Statistiek: Introductie tot R 2. R Basics

			Title	Class progress
			2.1 Case study: US Gun Murders
			2.2 The very basics
			2.3.1 Sum of integers 1, .., 100
			2.3.2 Nested functions
			2.4 Data types
			2.5.1 Dataframe exploring
			2.5.2 Examining Variables
			2.5.3 Multiple ways to access variables
			2.5.4 Factors
			2.5.5 Tables
			2.6 Vectors
			2.7.1-5 Vectors
			2.7.6 Vector of numbers 12..73
			2.7.7 Odd numbers
			2.7.8 Length of a sequence
			2.8 Coercion
			2.9.1 Vector cast
			2.10 Sorting
			2.11.1-4. Examining Dataframes
			2.11.5-6. Editing Dataframes
			2.12 Vector arithmetics
			2.13.1 Convert Temperatures
			2.13.2 Vector Sum
			2.13.3 Vector Mean
			2.14 Indexing
			2.15.1 NA
			2.15.2-6. Dataframe operations