?? tutest.cpp
字號:
void tutest(double data1[],int n1,double data2[],int n2,double& t,double& prob)
{
double ave1,ave2,var1,var2,aaa,df;
avevar(data1, n1, ave1, var1);
avevar(data2, n2, ave2, var2);
t = (ave1 - ave2) / sqrt(var1 / n1 + var2 / n2);
aaa = (var1 / n1 + var2 / n2) * (var1 / n1 + var2 / n2);
df = aaa / ((var1 / n1) * (var1 / n1) / (n1 - 1) + (var2 / n2)
* (var1 / n1) / (n2 - 1));
prob = betai(0.5 * df, 0.5, df / (df + t * t));
}
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