root/library/tests/testResample.cpp @ 572

#include "estim/particles.h"
#include "math/square_mat.h"
#include "stat/exp_family.h"

using namespace bdm;

//These lines are needed for use of cout and endl
using std::cout;
using std::endl;

int main() {

        RV x ( "1" );
        RV xm = x;
        xm.t ( -1 );
        const
        RV y ( "2" );

        mat A = "1";
        vec vR = "1";
        ldmat R ( vR );

        eEmp emp;
        euni eun;
        eun.set_parameters ( "0", "1" );
        emp.set_statistics ( ones ( 10 ), eun );
        vec &v = emp._w();
        Array<vec> &S = emp._samples();

        for ( int i = 0; i < 10; i++ ) {
                v ( i ) = exp ( -0.5 * sum ( pow ( S ( i ) - 1, 2.0 ) ) * 10 );
        }
        v /= sum ( v );

        cout << "p:" << S << endl;
        cout << "w:" << v << endl;

        ivec ind = emp.resample();

        cout << ind << endl;

        //Exit program:
        return 0;

}