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Using the data step to transition from a broad to a narrow table requires the use of an output statement to create many rows from a single row.

On April 3, 2003, this DATA step document was divided into two pages for the INPUT statement and the INFILE/IMPORT/EXPORT procedures.

A SAS programme is made up of several SAS statements that may contain operators, special characters, keywords, and names for variables and data sets, among other things. Anywhere in a SAS programme, including DATA steps and PROC (procedure) steps, can use a SAS statement.

DATA and PROC (procedure) steps make up a SAS programme. While PROC steps actually do analysis, DATA steps deal with data sets.

A DATA step is used to generate or edit data sets through the creation and modification of variables, the verification and correction of data set faults, and the development of programmes (for simulations). The fundamental regulations for SAS are as follows.

Learn more about DATA step here:

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