void LogNormalDistribution::SetParameters(double mean, double cov)
{
double lg = log(1+cov*cov);
double new_mean = log(mean)-lg/2;
double new_sd = sqrt(lg);
_lognmlObject = lognormal(new_mean , new_sd );
// _lognmlObject = lognormal( log(1/0.438), 0.315 );
_name = "Lognormal";
}
int main(void) {
float data[POINTS];
int i;
for (i = 0; i < POINTS; ++i) {
//Generate a lognormal random variate with underlying normal parameters as
//mean = 0 and standard deviation = 1
data[i] = lognormal(1.0, 0.5);
}
graph_init();
graph_new(HIST, data, POINTS, "xlabel=value,ylabel=prbability,title=Lognormal Distribution");
graph_show();
}
