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Data Manipulation [14-18]

Reverse Transpose
You can also reverse transpose a data set using Proc Transpose.

The FOOD data set contains the price for the coffee, muffin, and cookies from McDonald's.

The price for each item is listed in 3 individual columns.

Let's take a look at how you can reverse transpose the data set and combine the 3 columns into one.

Example

Proc Transpose Data=Food Out=rt_Food;
Var Coffee Muffin Cookies;
Run;


VAR statement

​The VAR statement lists the variables to be reverse transposed.

In our example, the variables listed there are Coffee, Muffin, and Cookies.
The prices for all 3 items are now listed under the COL1 variable!

​NO ID statement

When performing reverse transpose, do NOT include the ID statement. 

The ID statement is only needed when performing the standard transpose.
Exercise

Copy and run the T_Q2 data set from the yellow box below:

​The T_Q2 data set contains the transposed data set from Q2. 

Perform a reverse transpose on T_Q2 and combine the profit from April, May, and June back into one column.

Create any data set or variable if needed.
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