merging refactor (replacing)

This commit is contained in:
2019-04-12 10:53:09 +02:00
parent 0bb800cc8a
commit 89a06f099c
1176 changed files with 82698 additions and 159058 deletions

View File

@@ -1,45 +0,0 @@
class Stat
{
public:
Stat() : n(0), m(0.), m2(0.) {}
void Clear()
{
n = 0;
m=0;
m2=0;
}
void Push(double x)
{
m+=x;
m2+=x*x;
n++;
}
int NumDataValues() const
{
return n;
}
double Mean() const
{
return (n > 0) ? m/n : 0.0;
}
double Variance() const
{
return ( (n >0 ) ? (m2/n-m*m/(n*n)) : 0.0 );
}
double StandardDeviation() const
{
return sqrt( Variance() );
}
private:
int n;
double m, m2;
};