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Article #3601

autocorrelation with fixed std

#3601
From: Evan Cooch
Date: Fri, 03 Jan 1992 00:57
24 lines
1510 bytes
In follow-up to my previous query, John Wiorkowski (U. Texas at Dallas),
kindly provided the correct answer.

If epsiolon(t)=e(t)+rho*e(t-1)

Then var(epsilon(t))=(1+rho)*var(e(t)), whiere e(t) are iid random variables.

Thanks John (turns out is is easily modified to get autocorelated variables
from a variaety of other distributions as well. Nifty).






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           -. .-
           ( L )    \////     +----------------------------+
         --(\=/)--  (   )     |       Evan G. Cooch        |
        /         \ /  /      |   Department of Biology    |
        I          V  /       | University of Pennsylvania |
        I            /        | Philadelphia, Pennsylvania |
        I           /         |       (215-898-7129)       |
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From: ECOOCH@PENNSAS.UPENN.EDU (Evan Cooch)
Newsgroups: bit.listserv.stat-l
Subject: autocorrelation with fixed std
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Date: 3 Jan 92 00:57:06 GMT
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