Computes pdf of the mixture model.
1 |
x |
scalar or vector of values to compute the pdf. |
phi |
the value of φ parameter, φ>0. |
spec1 |
a character string specifying the first parent distribution (for example, "lnorm" if the parent distribution corresponds to the lognormal). |
arg1 |
list of arguments/parameters of the first parent distribution. |
spec2 |
a character string specifying the second parent distribution (for example, "exp" if the parent distribution corresponds to the exponential). |
arg2 |
list of arguments/parameters of the second parent distribution. |
log |
logical; if |
The pdf of mixture model with parameter phi has a general form of:
f(x) = \frac{1}{1+φ} ≤ft( g_{1}(x) + φ g_{2}(x)\right)
where x follows the support of parent distributions, φ is the weight component and g_{i}(x) for i=1,2 are the pdfs of first and second parent distributions, respectively.
An object of the same length as x
, giving the pdf values computed at x
.
Shaiful Anuar Abu Bakar
S.A. Abu Bakar, S. Nadarajah, Z.A. ABSL Kamarul Adzhar, I. Mohamed. gendist: An R package for generated probability distribution models, submitted.
Pearson, K. (1894). Contributions to the mathematical theory of evolution. Philosophical Transactions of the Royal Society of London. A, 71-110.
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