Discreetly mixed Q-Weibull and ordinary Weibull | R Documentation |
Density (PDF), distribution function (CDF), and hazard function for a discreetly mixed distribution of the q-Weibull and the ordinary Weibull distributions.
dmixqww(x, pdist = .5, a = 1.2, qdist = 1.5, theta = .8, gamma = 1, b = 1, forceExpectation = F) pmixqww(q, pdist = .5, a = 1.2, qdist = 1.5, theta = .8, gamma = 1, b = 1, forceExpectation = F) mixqwwHazard(x, pdist = .5, a = 1.2, qdist = 1.5, theta = .8, gamma = 1, b = 1, forceExpectation = F)
x, q |
vector of quantiles. |
pdist, a, qdist, theta, gamma, b |
parameters, see 'Details'. |
forceExpectation |
logical; if |
The PDF for the mixed distribution is:
f(x) = p(2-q)\frac{a}{b^a} x^{a-1} ≤ft[1-(1-q)≤ft(\frac{x}{b}\right)^a\right]^{\frac{1}{1-q}} + (1-p)θ γ x^{-θ x^{γ}}
if forceExpectation = TRUE
the b
parameter is a function of the other parameters to force the expectation to be 1.
qWeibullDist
for the Q-Weibull distribution and pmixqwe
for Q-Weibull mixed with the exponential distribution.
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