F(x) = (1 + (x/scale)^(-a))^(-p), x > 0.
Density, distribution function, quantile and draws by inversion of the
morie Philox uniforms (identical in the Python arm).
Usage
DagumDist(
x = NULL,
shape1a = NULL,
shape2p = NULL,
scale = 1,
p = NULL,
n = 0,
seed = 0
)
Arguments
- x
Evaluation points.
- shape1a
Parameter (required).
- shape2p
Parameter (required).
- scale
Parameter.
- p
Probabilities for the quantile function.
- n
Number of random draws.
- seed
Philox seed.
Value
list(pdf, logpdf, cdf, quantile, random).
References
Dagum, C. (1977). A new model of personal income distribution. Economie Appliquee 30, 413-437.
Examples
DagumDist(0.5, shape1a = 2, shape2p = 2)$cdf
#> [1] 0.04