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  • Committer: Bazaar Package Importer
  • Author(s): Chris Lawrence
  • Date: 2010-07-07 03:44:27 UTC
  • mfrom: (1.1.9 upstream) (2.1.6 sid)
  • Revision ID: james.westby@ubuntu.com-20100707034427-n9bg1n6f5qfzta87
Tags: 0.8-1-1
New upstream release.

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man/cardioid.Rd
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  cardioid distribution by maximum likelihood estimation.
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}
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\usage{
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cardioid(lmu="elogit", lrho="elogit",
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         emu =if(lmu=="elogit") list(min=0, max=2*pi) else list(),
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         erho=if(lmu=="elogit") list(min=-0.5, max=0.5) else list(),
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         imu=NULL, irho=0.3, nsimEIM=100, zero=NULL)
 
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cardioid(lmu = "elogit", lrho = "elogit",
 
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         emu = if(lmu == "elogit") list(min = 0, max = 2*pi) else list(),
 
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         erho = if(lmu == "elogit") list(min = -0.5, max = 0.5) else list(),
 
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         imu = NULL, irho = 0.3, nsimEIM = 100, zero = NULL)
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}
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%- maybe also 'usage' for other objects documented here.
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\arguments{
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 The default link functions enforce the range constraints
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 of the parameters.
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  For positive \eqn{\rho} the distribution is unimodal and symmetric about
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  \eqn{\mu}{mu}.
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  The mean of \eqn{Y} (which make up the fitted values) is
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}
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\examples{
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carddata = data.frame(y = rcard(n=1000, mu=4, rho=0.45))
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fit = vglm(y ~ 1, cardioid, carddata, trace=TRUE) 
 
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cdata = data.frame(y = rcard(n = 1000, mu = 4, rho = 0.45))
 
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fit = vglm(y ~ 1, cardioid, cdata, trace=TRUE) 
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coef(fit, matrix=TRUE)
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Coef(fit)
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c(with(carddata, mean(y)), head(fitted(fit),1))
 
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c(with(cdata, mean(y)), head(fitted(fit), 1))
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summary(fit)
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}
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\keyword{models}