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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
// Copyright John Maddock 2007.
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// Copyright Paul A. Bristow 2010.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// Note that this file contains quickbook mark-up as well as code
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// and comments, don't change any of the special comment mark-ups!
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//[policy_ref_snip6
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#include <boost/math/distributions/negative_binomial.hpp>
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using boost::math::negative_binomial;
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// Use the default rounding policy integer_round_outwards.
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// Lower quantile rounded down:
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double x = quantile(negative_binomial(20, 0.3), 0.05); // rounded up 27 from 27.3898
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// Upper quantile rounded up:
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double y = quantile(complement(negative_binomial(20, 0.3), 0.05)); // rounded down to 69 from 68.1584
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//] //[/policy_ref_snip6]
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#include <iostream>
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using std::cout; using std::endl;
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int main()
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{
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cout << "quantile(negative_binomial(20, 0.3), 0.05) = "<< x <<endl
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<< "quantile(complement(negative_binomial(20, 0.3), 0.05)) = " << y << endl;
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}
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/*
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Output:
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quantile(negative_binomial(20, 0.3), 0.05) = 27
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quantile(complement(negative_binomial(20, 0.3), 0.05)) = 69
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*/
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