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flat

The Improper Uniform Distribution

Description

Improper flat distribution for use as a prior distribution in BUGS models

Usage

dflat(x, log = FALSE)

rflat(n = 1)

dhalfflat(x, log = FALSE)

rhalfflat(n = 1)

Arguments

x

vector of values.
log

logical; if TRUE, probability density is returned on the log scale.
n

number of observations.

Value

dflat gives the pseudo-density value of 1, while rflat and rhalfflat return NaN, since one cannot simulate from an improper distribution. Similarly, dhalfflat gives a pseudo-density value of 1 when x is non-negative.

Author(s)

Christopher Paciorek

See Also

Distributions for other standard distributions

Examples

dflat(1)
nimble

MCMC, Particle Filtering, and Programmable Hierarchical Modeling

v0.11.0
BSD_3_clause + file LICENSE | GPL (>= 2)
Authors
Perry de Valpine [aut], Christopher Paciorek [aut, cre], Daniel Turek [aut], Nick Michaud [aut], Cliff Anderson-Bergman [aut], Fritz Obermeyer [aut], Claudia Wehrhahn Cortes [aut] (Bayesian nonparametrics system), Abel Rodrìguez [aut] (Bayesian nonparametrics system), Duncan Temple Lang [aut] (packaging configuration), Sally Paganin [aut] (reversible jump MCMC), Jagadish Babu [ctb] (code for the compilation system for an early version of NIMBLE), Lauren Ponisio [ctb] (contributions to the cross-validation code), Peter Sujan [ctb] (multivariate t distribution code)
Initial release
2021-04-16

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