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  • Committer: Package Import Robot
  • Author(s): Chris Lawrence
  • Date: 2011-11-04 13:13:06 UTC
  • mfrom: (1.2.9)
  • mto: This revision was merged to the branch mainline in revision 14.
  • Revision ID: package-import@ubuntu.com-20111104131306-w9fd83i51rw60gxf
Tags: upstream-0.8-4
Import upstream version 0.8-4

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man/betageometric.Rd
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  \code{\link{betaff}},
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  \code{\link{rbetageom}}.
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}
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\examples{
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bg.data = data.frame(y = 0:11, wts = c(227,123,72,42,21,31,11,14,6,4,7,28))
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fit  = vglm(y ~ 1, fam=betageometric, bg.data, weight=wts, trace=TRUE)
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fitg = vglm(y ~ 1, fam=    geometric, bg.data, weight=wts, trace=TRUE)
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coef(fit, matrix=TRUE)
 
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fit  = vglm(y ~ 1, betageometric, bg.data, weight = wts, trace = TRUE)
 
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fitg = vglm(y ~ 1,     geometric, bg.data, weight = wts, trace = TRUE)
 
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coef(fit, matrix = TRUE)
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Coef(fit)
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diag(vcov(fit, untrans=TRUE))^0.5
 
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sqrt(diag(vcov(fit, untransform = TRUE)))
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fit@misc$shape1
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fit@misc$shape2
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# Very strong evidence of a beta-geometric:
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pchisq(2*(logLik(fit)-logLik(fitg)), df=1, lower.tail=FALSE)
 
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pchisq(2*(logLik(fit) - logLik(fitg)), df = 1, lower.tail = FALSE)
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}
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\keyword{models}
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\keyword{regression}