public KetQuaUocLuong UocLuong(KieuUocLuong kieuUL, double alpha = 0.0, double xichma = double.MinValue)
{
KetQuaUocLuong kq = new KetQuaUocLuong();
kq.kieuUL = kieuUL;
string tam = null; // chuoi tao ket qua cho KetQuaULMoiNhat dung de xuat ra file
switch (kieuUL)
{
case KieuUocLuong.Diem:
kq.giatriULDiem = this.KyVong;
tam = string.Format("uld\n{0:f4}", kq.giatriULDiem);
break;
case KieuUocLuong.Khoang:
tam = string.Format("ulk {0}", alpha);
if (xichma != double.MinValue)
{
double gtToiHanU = GiaTriToiHan.LayGiaTriU(alpha / 2);
kq.giatriDauKhoang = this.KyVong - gtToiHanU * xichma / Math.Sqrt(this.CoMau);
kq.giatriCuoiKhoang = this.KyVong + gtToiHanU * xichma / Math.Sqrt(this.CoMau);
tam += string.Format(" {0}", xichma);
}
else
{
double gtToiHanT = GiaTriToiHan.LayGiaTriT(alpha / 2, this.CoMau - 1);
kq.giatriDauKhoang = this.KyVong - gtToiHanT * this.PhuongSai / Math.Sqrt(this.CoMau - 1);
kq.giatriCuoiKhoang = this.KyVong + gtToiHanT * this.PhuongSai / Math.Sqrt(this.CoMau - 1);
}
tam += string.Format("\n{0:f4} {1:f4}", kq.giatriDauKhoang, kq.giatriCuoiKhoang);
break;
}
KetQuaULMoiNhat = tam;
return(kq);
}
public KetQuaKiemDinh KiemDinh(KieuGiaThiet kieuGT, double muy0 = 0.0, double alpha = 0.0, double xichma = double.MinValue)
{
KetQuaKiemDinh kq = new KetQuaKiemDinh();
kq.kieuGT = kieuGT;
string tam; // xu ly chuoi cho KetQuaKDMoiNhat
tam = string.Format("{0} {1}", kieuGT, alpha);
double gtToiHan;
if (xichma != double.MinValue)
{ // truong hop da biet phuong sai tong the
// tinh U
kq.tieuchuanKD = (this.KyVong - muy0) * Math.Sqrt(this.CoMau) / Math.Sqrt(xichma);
gtToiHan = GiaTriToiHan.LayGiaTriU(alpha / 2);
tam += string.Format(" {0}", xichma);
}
else
{ // truong hop chua biet phuong sai tong the
// tinh T
kq.tieuchuanKD = (this.KyVong - muy0) * Math.Sqrt(this.CoMau) / Math.Sqrt(this.PhuongSai);
gtToiHan = GiaTriToiHan.LayGiaTriT(alpha / 2, this.CoMau - 1);
}
tam += string.Format("\n{0:f4}", kq.tieuchuanKD);
kq.kqKD = KieuKetQuaKiemDinh.KhongBacBo;
switch (kieuGT)
{
case KieuGiaThiet.Khac:
kq.cantren = -gtToiHan;
kq.canduoi = gtToiHan;
if (kq.tieuchuanKD < kq.cantren || kq.tieuchuanKD > kq.canduoi)
{
kq.kqKD = KieuKetQuaKiemDinh.BacBo;
}
tam += string.Format("\n{0:f4} {1:f4}", kq.cantren, kq.canduoi);
break;
case KieuGiaThiet.LonHon:
kq.cantren = double.MinValue;
kq.canduoi = gtToiHan;
if (kq.tieuchuanKD > kq.canduoi)
{
kq.kqKD = KieuKetQuaKiemDinh.BacBo;
}
tam += string.Format("\n{0:f4}", kq.canduoi);
break;
case KieuGiaThiet.NhoHon:
kq.cantren = -gtToiHan;
kq.canduoi = double.MaxValue;
if (kq.tieuchuanKD < kq.cantren)
{
kq.kqKD = KieuKetQuaKiemDinh.BacBo;
}
tam += string.Format("\n{0:f4}", kq.cantren);
break;
}
tam += string.Format("\n{0}", kq.kqKD);
KetQuaKDMoiNhat = tam;
return(kq);
}
