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49 lines
1.4 KiB
C++
49 lines
1.4 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_snip7
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#include <boost/math/distributions/negative_binomial.hpp>
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using boost::math::negative_binomial_distribution;
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using namespace boost::math::policies;
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typedef negative_binomial_distribution<
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double,
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policy<discrete_quantile<integer_round_inwards> >
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> dist_type;
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// Lower quantile rounded up:
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double x = quantile(dist_type(20, 0.3), 0.05); // 28 rounded up from 27.3898
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// Upper quantile rounded down:
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double y = quantile(complement(dist_type(20, 0.3), 0.05)); // 68 rounded down from 68.1584
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//] //[/policy_ref_snip7]
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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 << "using policy<discrete_quantile<integer_round_inwards> > " << endl
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<< "quantile(dist_type(20, 0.3), 0.05) = " << x << endl
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<< "quantile(complement(dist_type(20, 0.3), 0.05)) = " << y << endl;
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}
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/*
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Output:
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using policy<discrete_quantile<integer_round_inwards> >
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quantile(dist_type(20, 0.3), 0.05) = 28
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quantile(complement(dist_type(20, 0.3), 0.05)) = 68
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*/
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