dimarts, 19 de març de 2013

Incorporating Qualitative Factors into Multiple Regression


In this lesson I learnt: how can I predict quarterly U.S. auto sales?

Suppose we want to predict quarterly U.S. auto sales to determine whether the quarter of the year impacts auto sales. We'll use the data in the file you could click below, where sales are listed in thousands of cars, and GNP is in billions of dollars.

Click here to see how I made the analysis.

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