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R Statistical Programming Tutorial• 6 min read
R Data Frames & Subsetting
Organize tabular data using data.frame, select columns with $, and generate quick summary statistics.
Working with Data Frames
A data.frame is a 2D table where each column can hold a different data type, but all columns must have equal row length. Access columns via df$column_name.
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Test Yourself With Exercise
Which operator is used to extract a specific column from an R data frame by name?