Ejemplos de XGBoost.lib XGBOOST_NATIVE_METHODS.XGDMatrixCreateFromMat en C# (CSharp)

Ejemplo n.º 1

        public DMatrix(float[] data1D, ulong nrows, ulong ncols, float[] labels = null)
        {
            int output = XGBOOST_NATIVE_METHODS.XGDMatrixCreateFromMat(data1D, nrows, ncols, Missing, out _handle);

            if (output == -1)
            {
                throw new DllFailException(XGBOOST_NATIVE_METHODS.XGBGetLastError());
            }

            if (labels != null)
            {
                Label = labels;
            }
        }

Ejemplo n.º 2

Archivo: DMatrix.cs Proyecto: dgeller-OUHSC/XGBoost.Net

        public DMatrix(float[][] data, float[] labels = null)
        {
            float[] data1D = Flatten2DArray(data);
            ulong   nrows  = unchecked ((ulong)data.Length);
            ulong   ncols  = unchecked ((ulong)data[0].Length);
            int     output = XGBOOST_NATIVE_METHODS.XGDMatrixCreateFromMat(data1D, nrows, ncols, Missing, out _handle);

            if (output == -1)
            {
                throw new DllFailException(XGBOOST_NATIVE_METHODS.XGBGetLastError());
            }

            if (labels != null)
            {
                Label = labels;
            }
        }