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Date: 13-2-2021
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The triangular distribution is a continuous distribution defined on the range with probability density function
(1) |
and distribution function
(2) |
where is the mode.
The symmetric triangular distribution on is implemented in the Wolfram Language as TriangularDistribution[a, b], and the triangular distribution on with mode as TriangularDistribution[a, b, c].
The mean is
(3) |
the raw moments are
(4) |
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(5) |
and the central moments are
(6) |
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(7) |
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(8) |
It has skewness and kurtosis excess given by
(9) |
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(10) |
EFERENCES:
Evans, M.; Hastings, N.; and Peacock, B. "Triangular Distribution." Ch. 40 in Statistical Distributions, 3rd ed. New York: Wiley, pp. 187-188, 2000.
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