Data frames
The data frame is the main data structure in R. It's possible to envisage the data frame as a table of data, with rows and columns. Unlike the list structure, the data frame can contain different types of data. In R, we use the data.frame() command in order to create a data frame.
The data frame is extremely flexible for working with structured data, and it can ingest data from many different data types. Two main ways to ingest data into data frames involves the use of many data connectors, which connect to data sources such as databases, for example. There is also a command, read.table(), which takes in data.
Data Frame Structure
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