Iterative Proportional Fitting

By | August 1, 2012

Iterative Proportional Fitting

Once a survey is conducted it is common for the researcher to adjust the survey weights to match known population values.  This process is known as iterative proportional fitting (IPF) or also known as raking.  This process was first introduced by Edwards Deming.  This process is something that can actually be performed using something as simple as Microsoft Excel.  This example uses R to show how to adjust survey weights for one variable.

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