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From |
Evans Jadotte <evans.jadotte@uab.es> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Standard normal Depvar |

Date |
Thu, 06 Aug 2009 17:24:40 +0200 |

Nick Cox wrote:

This produces zero or positive values.Less pedantically, if the variable is already standard normal, whydoes it need transforming?Nick Maarten buis wrote:--- On Wed, 5/8/09, Evans Jadotte wrote:I am trying to run a regression where the dependent variable has a standard normal distribution (those of you familiar with the "wealth index based on the PCA analysis",this is my Depvar). However, I need to have the prediction to beall positive to use for transforming.How can I transform the Depvar in order to force xb^ to take on positive values?Here is one option: reg y x1 x2 predict yhat sum yhat, meanonly gen yhatprime = yhat + abs(r(min))* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

Thanks to Maarten and Nick for their insight and comment on my question.

Any further suggestions would be much appreciated, Evans * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: Standard normal Depvar***From:*Nick Cox <n.j.cox@stata.com>

**References**:**Re: st: Standard normal Depvar***From:*Maarten buis <maartenbuis@yahoo.co.uk>

**Re: st: Standard normal Depvar***From:*Nick Cox <n.j.cox@stata.com>

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