STATA13 Heteroskedaticity and WLS

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=JBQK8Swxnvo

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/BhE1/ • Why is Heteroskedaticity a problem for OLS? How does the Weighted Least Square work? How to implement in STATA using aw? How can a sample analog go terribly wrong? • Help us caption translate this video! • http://amara.org/v/BhE1/

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