Add features from other Dataset to the current Dataset. Both Datasets must be constructed before calling this method. Parameters

! * \brief Get bin types */

! * \brief Get bin types */

Get pointer of float numpy array / list.

Get the label of the Dataset. Returns ------- label : numpy array or None The label information from the Dataset.

Returns a new discard_iterator with \p index. \param index the index of the iterator \return a \c discard_iterator at \p index

Returns the size (width, height) of the texture.

! * \brief Generate random float data * \return The random float between [0.0, 1.0) */

! * \brief Generate random float data * \return The random float between [0.0, 1.0) */

! * \brief Read all text data from file in memory * \return number of lines of text data */

! * \brief Read all text data from file in memory * \return number of lines of text data */

! * \brief Binary size of this histogram */

! * \brief Binary size of this histogram */

Returns \c true if any bit in the bitset is set (i.e. '1').

Enqueues a command to copy \p size bytes of data from \p src_ptr to \p dst_ptr. \opencl_version_warning{2,0} \see_opencl2_ref{clEnqueueSVMMemcpy}

Docstring is inherited from the LGBMModel.

Loads the program with \p key from the cache if it exists. Otherwise builds a new program with \p source and \p options, stores it in the cache, and r

! * \brief Get leaf begin * \param leaf index of leaf * \return begin index of this leaf */

! * \brief Get leaf begin * \param leaf index of leaf * \return begin index of this leaf */

! * \brief Get Number of queries * \return Number of queries */

! * \brief Get Number of queries * \return Number of queries */

Convert Python dictionary to string, which is passed to C API.

! * \brief Get data boundaries on queries, if not exists, will return nullptr * we assume data will order by query, * the interval

! * \brief Get data boundaries on queries, if not exists, will return nullptr * we assume data will order by query, * the interval

Reset parameters of Booster. Parameters ---------- params : dict New parameters for Booster. Returns

Returns the number of elements in the vector.

! * \brief Push one record, will auto convert to bin and push to bin data * \param tid Thread id * \param idx Index of record * \param value f

! * \brief Push one record, will auto convert to bin and push to bin data * \param tid Thread id * \param idx Index of record * \param value f

Get pointer of int numpy array / list.

Compiles the program with \p options. \opencl_version_warning{1,2} \see_opencl_ref{clCompileProgram}

! \brief Get indices of data of current leaf */

! \brief Get indices of data of current leaf */

Enqueues a command to read data from \p buffer to host memory. \see_opencl_ref{clEnqueueReadBuffer} \see copy()

Enqueues a command to read data from \p image to host memory. \see_opencl_ref{clEnqueueReadImage}

Returns the command type for the event.

Get the group of the Dataset. Returns ------- group : numpy array or None Group size of each group.