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This article mainly introduces "how to create a data box in R language". In daily operation, I believe that many people have doubts about how to create a data box in R language. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about how to create a data box in R language! Next, please follow the editor to study!

The most common form of raw data in statistical analysis is similar to database tables or Excel data tables. This form of data is called a data.frame in R. A data frame is a table or two-dimensional array structure in which each column contains the value of a variable and each row contains a set of values from each column.

The following are the characteristics of the data frame.

The column name should be non-empty.

The row name should be unique.

The data stored in the data frame can be a number, factor, or character type.

Each column should contain the same number of data items.

Create data frame # Create the data frame.emp.data

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