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From |
Jeph Herrin <[email protected]> |

To |
[email protected] |

Subject |
Re: st: Dropping Variables - Simple Question |

Date |
Sun, 12 Aug 2007 08:20:40 -0400 |

I think your question is: how do you drop the observations of Y where X is missing? In that case, the answer is: drop if missing(X) This will keep the 50 observations of X, plus the 50 observations of Y where X is not missing. hth, Jeph [email protected] wrote:

Dear statalisters, I have a simple question: Supose I have two variables, X and Y with 50 and 75 observations, respectively. How do I delete the first 25 observations of the variable Y without losing the first 25 observations of the X variable? Although simple, I have not been able to find out a solution. Thank you again. Best regards, Tiago * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

* * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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