public double DoDoTuongTu(EPAA _data, int epaa)
{
int n = soCot;
int w = epaa;
double nw = n * 1.0 / w;
EPAA data1 = _data.ChuanHoa();
EPAA data2 = ChuanHoa();
double ret = 0;
double s_alpha = 0;
double dpaa = 0, drpaa = 0;
for (int i = 0; i < n; i++)
{
double r;
r = data2.Data[i].Avg.Giatri - data1.Data[i].Avg.Giatri;
r = r * r;
dpaa += r;
}
drpaa = nw * dpaa;
for (int i = 0; i < w; i++)
{
s_alpha += 0 * 0;
}
ret = Math.Sqrt(drpaa + ((nw - 1) * (nw + 1) * (nw + 1)) * s_alpha / 18);
return(ret);
}
public EPAA ChuanHoa()
{
EPAA newData = new EPAA();
double meanQ = GiaTriTrungBinhTrongDoan(0, soCot).Giatri;
double varQ = 0;
double varQTu = 0;
for (int i = 0; i < soCot; i++)
{
varQTu += Math.Pow((data[i].Avg.Giatri - meanQ), 2);
}
varQ = Math.Sqrt(varQTu / soCot);
for (int i = 0; i < soCot; i++)
{
Diem giatri = new Diem((data[i].Avg.Giatri - meanQ) / varQ, data[i].Avg.Vitri);
newData.Data.Add(giatri);
}
newData.soCot = newData.data.Count;
return(newData);
}
public EPAA copy(int viTriDau, int doDai)
{
EPAA ret = new EPAA();
int i = viTriDau;
for (i = viTriDau; i < viTriDau + doDai; i++)
{
ret.data.Add(data[i]);
}
ret.SoCot = ret.data.Count;
return(ret);
}
public EPAA ThayDoiSoLuongDuLieuEPAA(int doDaiCotMoi)
{
DuLieuDaGopTungDoan = true;
int soCotMoi = soCot / doDaiCotMoi;
EPAA newData = new EPAA();
if (soCot == doDaiCotMoi)
{
return(this);
}
if (doDaiCotMoi <= 0 && doDaiCotMoi > SoCot)
{
return(null);
}
int len = soCot / doDaiCotMoi;
for (int i = 0; i < doDaiCotMoi; i++)
{
//Diem d = new Diem();
//d.Max = GiaTriLonNhatTrongDoan(i * len, (i + 1) * len);
//d.Min = GiaTriNhoNhatTrongDoan(i * len, (i + 1) * len);
//d.Avg = GiaTriTrungBinhTrongDoan(i * len, (i + 1) * len);
//newData.Add(d);
Diem d = new Diem();
d.Max = GiaTriLonNhatTrongDoan(i * len, (i + 1) * len);
d.Min = GiaTriNhoNhatTrongDoan(i * len, (i + 1) * len);
d.Avg = GiaTriTrungBinhTrongDoan(i * len, (i + 1) * len);
if ((d.Max.Vitri < d.Avg.Vitri) && (d.Avg.Vitri < d.Min.Vitri))
{
int index;
for (index = 0; index < soCotMoi / 3; index++)
{
newData.Add(new Diem(d.Max.Giatri, 0));
}
for (; index < soCotMoi * 2 / 3; index++)
{
newData.Add(new Diem(d.Avg.Giatri, 0));
}
for (; index < soCotMoi; index++)
{
newData.Add(new Diem(d.Min.Giatri, 0));
}
}
else if ((d.Min.Vitri < d.Avg.Vitri) && (d.Avg.Vitri < d.Max.Vitri))
{
int index;
for (index = 0; index < soCotMoi / 3; index++)
{
newData.Add(new Diem(d.Min.Giatri, 0));
}
for (; index < soCotMoi * 2 / 3; index++)
{
newData.Add(new Diem(d.Avg.Giatri, 0));
}
for (; index < soCotMoi; index++)
{
newData.Add(new Diem(d.Max.Giatri, 0));
}
}
else if ((d.Min.Vitri < d.Max.Vitri) && (d.Max.Vitri < d.Avg.Vitri))
{
int index;
for (index = 0; index < soCotMoi / 3; index++)
{
newData.Add(new Diem(d.Min.Giatri, 0));
}
for (; index < soCotMoi * 2 / 3; index++)
{
newData.Add(new Diem(d.Max.Giatri, 0));
}
for (; index < soCotMoi; index++)
{
newData.Add(new Diem(d.Avg.Giatri, 0));
}
}
else if ((d.Max.Vitri < d.Min.Vitri) && (d.Min.Vitri < d.Avg.Vitri))
{
int index;
for (index = 0; index < soCotMoi / 3; index++)
{
newData.Add(new Diem(d.Max.Giatri, 0));
}
for (; index < soCotMoi * 2 / 3; index++)
{
newData.Add(new Diem(d.Min.Giatri, 0));
}
for (; index < soCotMoi; index++)
{
newData.Add(new Diem(d.Avg.Giatri, 0));
}
}
else if ((d.Avg.Vitri < d.Max.Vitri) && (d.Max.Vitri < d.Min.Vitri))
{
int index;
for (index = 0; index < soCotMoi / 3; index++)
{
newData.Add(new Diem(d.Avg.Giatri, 0));
}
for (; index < soCotMoi * 2 / 3; index++)
{
newData.Add(new Diem(d.Max.Giatri, 0));
}
for (; index < soCotMoi; index++)
{
newData.Add(new Diem(d.Min.Giatri, 0));
}
}
else
{
int index;
for (index = 0; index < soCotMoi / 3; index++)
{
newData.Add(new Diem(d.Avg.Giatri, 0));
}
for (; index < soCotMoi * 2 / 3; index++)
{
newData.Add(new Diem(d.Min.Giatri, 0));
}
for (; index < soCotMoi; index++)
{
newData.Add(new Diem(d.Max.Giatri, 0));
}
}
}
//soCot = doDaiCotMoi;
return(newData);
}
