particles-mif {pomp} | R Documentation |
Generate particles from the user-specified distribution.
This is part of the low-level interface, used by mif
.
This help page does not give instruction on how to write a valid particles
function:
see the documentation for mif
instead.
particles(object, ...) ## S4 method for signature 'mif': particles(object, Np = 1, center = coef(object), sd = 0, ...)
object |
the mif object |
Np |
the number of particles, i.e., number of draws. |
center |
the central value of the distribution of particles |
sd |
the width of the distribution |
... |
additional arguments. At present, these are ignored. |
The particles
method is used to set up the initial distribution
of particles. It is an interface to the user-specifed
particles
slot in the mif
object.
particles
returns a list of two matrices. states
contains the state-variable portion of the particles; params
contains the parameter portion. Each has Np
columns.
Aaron A. King kingaa at umich dot edu
mif
, mif-methods, pomp
, pomp-class