st: Statistically Significant Increase in R-Squared

[Roger Roles <rogerroles2@yahoo.com>]

Is there a way in Stata to determine whether or not the change in R-squared is statistically significant?  In other words, if I enter the second block of variables into my model, and there is an increase in R-squared, how can I determine if that change (from block 1 to block 2) is statistically significant?  Thank you!


      
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