Description Usage Arguments Details Author(s) References See Also Examples
Class nppois
is used to store data that will be processed as those of
a nonparametric Poisson mixture.
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v |
a numeric vector that stores the values of a sample. |
w |
a numeric vector that stores the corresponding weights/frequencies of the observations. |
n |
the sample size. |
x |
an object of class |
mix |
an object of class |
beta |
the structural parameter, which is not really needed for the Poisson mixture. |
col |
the color of the density curve to be plotted. |
add |
if |
components |
if |
main, lwd, lty, xlab, ylab |
arguments for graphical parameters (see
|
... |
arguments passed on to function |
Function nppois
creates an object of class nppois
, given
values and weights/frequencies.
Function rnppois
generates a random sample from a Poisson mixture and
saves the data as an object of class nppois
.
Function plot.nppois
plots the Poisson mixture.
When components=TRUE
, the support points are shown on the horizontal
line of density 0. The component density curves, weighted appropriately, are
also shown.
Yong Wang <yongwang@auckland.ac.nz>
Wang, Y. (2007). On fast computation of the non-parametric maximum likelihood estimate of a mixing distribution. Journal of the Royal Statistical Society, Ser. B, 69, 185-198.
nnls
, cnm
, cnmms
,
plot.nspmix
.
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