1.2 Work in the R Environment
1.3 Install and load packages
2.1 Use R as a calculator
2.2 Work with variables
2.3 Understand the different data types
2.4 Store data in vectors
2.5 Call functions
3.1 Create and access information in data.frames
4.1 Read a CSV into R
5.1 Find the diamonds in the data
6.1 Write the classic "Hello, World!" example
6.5 Use "if" statements to control program flow
6.6 Stagger "if" statements with "else"
6.10 Iterate with a for loop
6.11 Iterate with a while loop
7.6 Combine datasets
7.7 Join datasets
8.2 Use select to choose columns
8.3 Use filter to choose rows
8.5 Use mutate to change or create columns
8.6 Use summarize for quick computation on tbl
8.7 Use group_by to split the data
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