internal static DF AddColumn(DF df, List <double> col)
{
DF dfRes = df.Clone();
dfRes.AddColumn(col);
return(dfRes);
}
internal static DF AddColumn(DF df, AR ts)
{
List <double> col = ts.ToList();
DF dfRes = df.Clone();
dfRes.AddColumn(col);
return(dfRes);
}
internal DF SubDfCols(int[] sel)
{
DF dfRes = new DF();
for (int i = 0; i < sel.Length; i++)
{
dfRes.AddColumn(this.GetColumn(sel[i]));
}
return(dfRes);
}
internal DF SubDfCols(int ini, int end)
{
DF dfRes = new DF();
for (int i = ini; i <= end; i++)
{
dfRes.AddColumn(this.GetColumn(i));
}
return(dfRes);
}
internal static DF CBind(DF df1, DF df2)
{
DF dfRes = df1.Clone();
for (int i = 1; i <= df2.NCol; i++)
{
dfRes.AddColumn(df2.GetColumn(i));
}
return(dfRes);
}