Introduction to R Programming||Dataframe in R Programming || Create DataFrame in R||

The video shows how to create a data frame and extending a data frame and subsetting a data
A data frame is a table or a two-dimensional array-like structure in which each column contains values of one variable and each row contains one set of values from each column.

Following are the characteristics of a data frame.

The column names should be non-empty.
The row names should be unique.
The data stored in a data frame can be of numeric, factor or character type.
Each column should contain same number of data items.

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