DMatrixBuilder
¶Collection of utility functions to create data matrices
Hyunsu Cho
LoadDatasetFromLibSVM
(String filename)¶Load a LIBSVM data file and construct a list of data points
filename – path to LIBSVM file
TreeliteError – Treelite error
IOException – IO error
Created list of data points
createDenseDMatrix
(Iterator<DataPoint> dIter)¶Assemble a dense matrix from a list of data points (float32)
dIter – Iterator of data points
TreeliteError – Treelite error
IOException – IO error
Created dense batch
createSparseCSRDMatrix
(Iterator<DataPoint> dIter)¶Build a sparse (CSR layout) matrix from a list of data points (float32)
dIter – Iterator of data points
TreeliteError – Treelite error
IOException – IO error
Created sparse data matrix