statistics v0.4.0 Statistics.Distributions.Exponential
Exponential distribution.
lambda
is the rate parameter and must be greater than zero.
Summary
Functions
The cumulative density function
The probability density function
The percentile-point function
Draw a random number from the distribution with specified lambda
Functions
Specs
cdf :: (... -> any)
The cumulative density function
Examples
iex> Statistics.Distributions.Exponential.cdf().(1)
0.6321205588285577
Specs
pdf :: (... -> any)
The probability density function
Examples
iex> Statistics.Distributions.Exponential.pdf().(1)
0.36787944117144233
Specs
ppf :: (... -> any)
The percentile-point function
Examples
iex> Statistics.Distributions.Exponential.ppf().(0.1)
0.10536051565782628
Specs
rand :: number
Draw a random number from the distribution with specified lambda
Uses the rejection sampling method
Examples
iex> Statistics.Distributions.Exponential.rand()
0.145709384787