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exponential distribution (when k=1)
URI:
https://gptkb.org/entity/exponential_distribution_(when_k=1)
GPTKB entity
Statements (32)
Predicate
Object
gptkbp:instanceOf
gptkb:organization
gptkbp:characteristic
λ/(λ-ix)
gptkbp:conjugate_prior_for
Poisson rate parameter
gptkbp:cumulativeDistributionFunction
F(x;λ) = 1 - e^{-λx} for x ≥ 0
gptkbp:entropy
1 - ln(λ)
gptkbp:hasSpecialCase
gptkb:gamma_distribution
gptkbp:hazard_function
λ
https://www.w3.org/2000/01/rdf-schema#label
exponential distribution (when k=1)
gptkbp:kurtosis_(excess)
6
gptkbp:maximum_likelihood_estimator_for_λ
1/mean of sample
gptkbp:meaning
1/λ
gptkbp:medium
(ln 2)/λ
gptkbp:memoryless_property
true
gptkbp:minimum_of_independent_exponentials
gptkb:exponential_distribution_(with_sum_of_rates)
gptkbp:mode
0
gptkbp:moment_generating_function
λ/(λ-t) for t < λ
gptkbp:parameter
rate parameter (λ)
gptkbp:probability_density_function
f(x;λ) = λe^{-λx} for x ≥ 0
gptkbp:relatedTo
gptkb:Weibull_distribution_(with_shape_parameter_1)
gptkb:chi-squared_distribution_(with_2_degrees_of_freedom)
Rayleigh distribution (as a special case)
gptkbp:skewness
2
gptkbp:sum_of_n_independent_exponentials
gptkb:gamma_distribution_(with_shape_n)
gptkbp:supports
x ≥ 0
gptkbp:used_in
queueing theory
survival analysis
reliability engineering
gptkbp:usedFor
modeling time between events in a Poisson process
gptkbp:variant
1/λ^2
gptkbp:bfsParent
gptkb:Weibull_distribution
gptkb:Erlang_distribution
gptkbp:bfsLayer
7