ivanciric/gtp-estimator

German Tank Problem Estimator

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github.com/ivanciric/gtp-estimator

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pkg:composer/ivanciric/gtp-estimator

0.0.2 2016-10-12 15:10 UTC

MIT 2f19d5d3dc20cafe228703ccfad0a191f2c856c2

statisticsGermanTankProblemestimationestimate

This package is auto-updated.

Last update: 2025-10-17 13:00:17 UTC

README

German Tank Problem estimator in PHP

Installation

In composer.json file add the following in the require array:

"ivanciric/gtp-estimator": "0.0.*"

Usage

See example.php file.

Suppose k = 4 tanks with serial numbers 19, 40, 42 and 60 are captured. The maximal observed serial number, m = 60. The unknown total number of tanks is called N.

The formula for estimating the total number of tanks suggested by the frequentist approach outlined below is

N ≈ m + m/k − 1 = 74

Using GtpEstimator:

$estimate = Ivanciric\GtpEstimator\GtpEstimator::estimate(4, 60);

Wikipedia: https://en.wikipedia.org/wiki/German_tank_problem