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May 30, 2008

Left-out Variables, Irrelevant Variables, and Multicollinearity

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Posted by bparke at 09:31 PM | Comments (0)

Discussion of "What Determines Income"

You will need these links for the data and the variable definitions. For those of you who are bandwidth-impaired, there is a truncated 1000 observation dataset. To save these files to your computer, right-click on a link and chose "Save Target As."

You might find the do file helpful. You can cut and paste this file into the do file editor in Stata.

Posted by bparke at 08:36 PM | Comments (0)

May 29, 2008

Functional Form

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Posted by bparke at 09:40 PM | Comments (0)

Discussion of Testing

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Posted by bparke at 09:38 PM | Comments (0)

May 28, 2008

The F Test of Multiple Restrictions

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Posted by bparke at 09:35 PM | Comments (0)

Imposing Equality of Coefficients

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Posted by bparke at 09:34 PM | Comments (0)

May 27, 2008

Generating Normally Distributed Random Variables

In Stata, invnorm(uniform()) generates normally distributed random numbers.

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Posted by bparke at 09:28 PM | Comments (0)

May 23, 2008

RMSE

The RMSE displayed by Stata is the estimated sample standard deviation of the residuals.

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Posted by bparke at 09:25 PM | Comments (0)

May 21, 2008

More Regression

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Posted by bparke at 11:01 PM | Comments (0)

May 20, 2008

Regression

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Posted by bparke at 10:56 PM | Comments (0)

May 19, 2008

Correlation, Causation, and Simultaneity

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Posted by bparke at 10:49 PM | Comments (0)

May 16, 2008

More Statistics

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Posted by bparke at 10:56 PM | Comments (0)

May 15, 2008

Statistics

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Posted by bparke at 10:56 PM | Comments (0)

May 14, 2008

Probability

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Posted by bparke at 10:55 PM | Comments (0)

May 13, 2008

Welcome

Introductory remarks.

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Posted by bparke at 10:35 PM | Comments (0)