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/lib/phpspreadsheet/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Statistical/Distributions/ -> Exponential.php (source)

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Defines 1 class

Exponential:: (1 method):
  distribution()


Class: Exponential  - X-Ref

distribution($value, $lambda, $cumulative)   X-Ref
EXPONDIST.

Returns the exponential distribution. Use EXPONDIST to model the time between events,
such as how long an automated bank teller takes to deliver cash. For example, you can
use EXPONDIST to determine the probability that the process takes at most 1 minute.

param: mixed $value Float value for which we want the probability
param: mixed $lambda The parameter value as a float
param: mixed $cumulative Boolean value indicating if we want the cdf (true) or the pdf (false)
return: array|float|string