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From |
"Martin Weiss" <martin.weiss1@gmx.de> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: AW: how to find the integral for a portion of a normal distribution. |

Date |
Tue, 4 May 2010 09:38:42 +0200 |

<> Have you had a look at -h integ- yet? HTH Martin -----Ursprüngliche Nachricht----- Von: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Buzz Burhans Gesendet: Dienstag, 4. Mai 2010 04:58 An: statalist@hsphsun2.harvard.edu Betreff: st: how to find the integral for a portion of a normal distribution. My weak math skills are showing up here - For demonstration purposes, I have generated a set of 100,000 observations with a normal distribution, mean 2.02, SD 1.74 and visualized this data and the portion of observations above 1 with a histogram drawnorm x , means(2.02) sds(1.75) n(100,000) clear hist, xline(1) I also computed the proportion of the observations <=1 from the Z score. What I don't know how to do in Stata is find the integral for the proportions of the distribution above and below 1. How can I determine those two integrals in Stata? Thanks Buzz Burhans, Ph.D. Dairy-Tech Group So. Albany, VT / Twin Falls ID Phone: 802-755-6842 Cell: 208-320-0829 Fax VT: 802-755-6842 Fax ID: 208-735-1289 Email: buzzb3@earthlink.net * * 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/ * * 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/

**References**:**st: how to find the integral for a portion of a normal distribution.***From:*"Buzz Burhans" <buzzb3@earthlink.net>

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