public DataTable LinePredict(DataTable dt, int DateLong)
{
/*输入数组*/
int n = 1;
double[] indata = new double[dt.Rows.Count - DateLong];
for (int i = 0; i < dt.Rows.Count - DateLong; i++)
{
indata[i] = Convert.ToDouble(dt.Rows[i][0]);
}
if (dt.Rows.Count - DateLong <= 3)
{
n = dt.Rows.Count - DateLong - 1;
}
else
{
n = 3;
}
clsARMA am = new clsARMA(indata, n, 10, -10, n, 10, -10, 1000, 100, 0.7, 0.3, DateLong);
ArrayList lastData = am.toARMA();
//double maxvar = (double)lastData[0];
//double maxvma = (double)lastData[1];
/*输出数组*/
double[] outdata = (double[])lastData[2];
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][1].ToString().Length == 6)
{
dt.Rows[i][1] = dt.Rows[i][1].ToString().Replace("-", "-0");
}
dt.Rows[i][2] = outdata[i];
}
return(dt);
}
public DataTable LinePredict(DataTable dt,int DateLong)
{
/*输入数组*/
int n = 1;
double[] indata = new double[dt.Rows.Count - DateLong];
for (int i = 0; i < dt.Rows.Count - DateLong; i++)
{
indata[i] = Convert.ToDouble(dt.Rows[i][0]);
}
if (dt.Rows.Count - DateLong <= 3)
{
n = dt.Rows.Count - DateLong - 1;
}
else
{
n = 3;
}
clsARMA am = new clsARMA(indata, n, 10, -10, n, 10, -10, 1000, 100, 0.7, 0.3, DateLong);
ArrayList lastData=am.toARMA();
//double maxvar = (double)lastData[0];
//double maxvma = (double)lastData[1];
/*输出数组*/
double[] outdata = (double[])lastData[2];
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][1].ToString().Length == 6)
{
dt.Rows[i][1] = dt.Rows[i][1].ToString().Replace("-","-0");
}
dt.Rows[i][2] = outdata[i];
}
return dt;
}