Index

API symbols

baseMargin:

• XGDMatrixInfoKey.baseMargin

BoosterHandle:

• libxgboost: BoosterHandle

bst_ulong:

• libxgboost: bst_ulong

DataHolderHandle:

• libxgboost: DataHolderHandle

DataIterHandle:

• libxgboost: DataIterHandle

DataIterResetCallback:

• libxgboost: DataIterResetCallback

DMatrixHandle:

• libxgboost: DMatrixHandle

eval:

• xgboost: eval(b: XGBooster; iter: int; dmats: openArray[(string, XGDMatrix)]): string

featureWeights:

• XGDMatrixInfoKey.featureWeights

finalize:

• xgboost: finalize(b: XGBooster)

getAttr:

• xgboost: getAttr(b: XGBooster; key: string): Option[string]

getAttrNames:

• xgboost: getAttrNames(b: XGBooster): seq[string]

getFloatInfo:

• xgboost: getFloatInfo(handle: XGDMatrix; field: string): seq[float32]

getStrFeatureInfo:

• xgboost: getStrFeatureInfo(handle: XGDMatrix; field: string): seq[string]

getUIntInfo:

• xgboost: getUIntInfo(handle: XGDMatrix; field: string): seq[uint32]

group:

• XGDMatrixInfoKey.group

label:

• XGDMatrixInfoKey.label

labelLowerBound:

• XGDMatrixInfoKey.labelLowerBound

labelUpperBound:

• XGDMatrixInfoKey.labelUpperBound

libxgboost:

• libxgboost: libxgboost

loadModel:

• xgboost: loadModel(b: XGBooster; fname: string)

nCol:

• xgboost: nCol(m: XGDMatrix): int

newXGBooster:

• xgboost: newXGBooster(toCaches: seq[XGDMatrix] = @[]): XGBooster

newXGDMatrix:

• xgboost: newXGDMatrix[N: static int](data: seq[array[N, float32]]; missing: float32 = DEFAULT_MISSING): XGDMatrix
• xgboost: newXGDMatrix(data: seq[float32]; nRow: int; missing: float32 = DEFAULT_MISSING): XGDMatrix
• xgboost: newXGDMatrix(data: seq[float32]; nRow, nCol: int; missing: float32 = DEFAULT_MISSING): XGDMatrix
• xgboost: newXGDMatrix(fname: string; silent: int = 1): XGDMatrix

nRow:

• xgboost: nRow(m: XGDMatrix): int

predict:

• xgboost: predict(b: XGBooster; v: seq[float32]; missing: float32 = DEFAULT_MISSING): float32
• xgboost: predict(b: XGBooster; m: XGDMatrix): seq[float32]

predictSeq:

• xgboost: predictSeq(b: XGBooster; v: seq[float32]; missing: float32 = DEFAULT_MISSING): seq[ float32]
• xgboost: predictSeq(b: XGBooster; m: XGDMatrix): seq[seq[float32]]

qid:

• XGDMatrixInfoKey.qid

saveBinary:

• xgboost: saveBinary(handle: XGDMatrix; fname: string; silent: int = 1)

saveModel:

• xgboost: saveModel(b: XGBooster; fname: string)

setAttr:

• xgboost: setAttr(b: XGBooster; key, value: string)

setInfo:

• xgboost: setInfo(handle: XGDMatrix; field: XGDMatrixInfoKey | string; arr: seq[float32])
• xgboost: setInfo(handle: XGDMatrix; field: XGDMatrixInfoKey | string; arr: seq[string])
• xgboost: setInfo(handle: XGDMatrix; field: XGDMatrixInfoKey | string; arr: seq[uint32])

setParam:

• xgboost: setParam(b: XGBooster; pairs: openArray[(string, string)])
• xgboost: setParam(b: XGBooster; name, value: string)

slice:

• xgboost: slice(handle: XGDMatrix; idx: seq[int]): XGDMatrix

train:

• xgboost: train(params: openArray[(string, string)]; dtrain: XGDMatrix; num_boost_round: int = 10; evals: openArray[(string, XGDMatrix)] = []): XGBooster

update:

• xgboost: update(b: XGBooster; iter: int; dtrain: XGDMatrix)

weight:

• XGDMatrixInfoKey.weight

XGBCallbackDataIterNext:

• libxgboost: XGBCallbackDataIterNext

XGBCallbackSetData:

• libxgboost: XGBCallbackSetData

xgbGetGlobalConfig:

• xgboost: xgbGetGlobalConfig(): JsonNode

XGBGetGlobalConfig:

• libxgboost: XGBGetGlobalConfig(json_str: cstringArray): cint

xgbGetLastError:

• xgboost: xgbGetLastError(): string

XGBGetLastError:

• libxgboost: XGBGetLastError(): cstring

XGBoostBatchCSR:

• libxgboost: XGBoostBatchCSR

XGBooster:

• xgboost: XGBooster

XGBoosterBoostedRounds:

• libxgboost: XGBoosterBoostedRounds(handle: BoosterHandle; out: ptr cint): cint

XGBoosterBoostOneIter:

• libxgboost: XGBoosterBoostOneIter(handle: BoosterHandle; dtrain: DMatrixHandle; grad: ptr cfloat; hess: ptr cfloat; len: bst_ulong): cint

XGBoosterCreate:

• libxgboost: XGBoosterCreate(dmats: ptr DMatrixHandle; len: bst_ulong; out: ptr BoosterHandle): cint

XGBoosterDumpModel:

• libxgboost: XGBoosterDumpModel(handle: BoosterHandle; fmap: cstring; with_stats: cint; out_len: ptr bst_ulong; out_dump_array: ptr cstringArray): cint

XGBoosterDumpModelEx:

• libxgboost: XGBoosterDumpModelEx(handle: BoosterHandle; fmap: cstring; with_stats: cint; format: cstring; out_len: ptr bst_ulong; out_dump_array: ptr cstringArray): cint

XGBoosterDumpModelExWithFeatures:

• libxgboost: XGBoosterDumpModelExWithFeatures(handle: BoosterHandle; fnum: cint; fname: cstringArray; ftype: cstringArray; with_stats: cint; format: cstring; out_len: ptr bst_ulong; out_models: ptr cstringArray): cint

XGBoosterDumpModelWithFeatures:

• libxgboost: XGBoosterDumpModelWithFeatures(handle: BoosterHandle; fnum: cint; fname: cstringArray; ftype: cstringArray; with_stats: cint; out_len: ptr bst_ulong; out_models: ptr cstringArray): cint

XGBoosterEvalOneIter:

• libxgboost: XGBoosterEvalOneIter(handle: BoosterHandle; iter: cint; dmats: ptr DMatrixHandle; evnames: ptr cstring; len: bst_ulong; out_result: cstringArray): cint

XGBoosterFree:

• libxgboost: XGBoosterFree(handle: BoosterHandle): cint

XGBoosterGetAttr:

• libxgboost: XGBoosterGetAttr(handle: BoosterHandle; key: cstring; out: cstringArray; success: ptr cint): cint

XGBoosterGetAttrNames:

• libxgboost: XGBoosterGetAttrNames(handle: BoosterHandle; out_len: ptr bst_ulong; out: ptr cstringArray): cint

XGBoosterGetModelRaw:

• libxgboost: XGBoosterGetModelRaw(handle: BoosterHandle; out_len: ptr bst_ulong; out_dptr: cstringArray): cint

XGBoosterGetNumFeature:

• libxgboost: XGBoosterGetNumFeature(handle: BoosterHandle; out: ptr bst_ulong): cint

XGBoosterGetStrFeatureInfo:

• libxgboost: XGBoosterGetStrFeatureInfo(handle: BoosterHandle; field: cstring; len: ptr bst_ulong; out_features: ptr cstringArray): cint

XGBoosterLoadJsonConfig:

• libxgboost: XGBoosterLoadJsonConfig(handle: BoosterHandle; json_parameters: cstring): cint

XGBoosterLoadModel:

• libxgboost: XGBoosterLoadModel(handle: BoosterHandle; fname: cstring): cint

XGBoosterLoadModelFromBuffer:

• libxgboost: XGBoosterLoadModelFromBuffer(handle: BoosterHandle; buf: pointer; len: bst_ulong): cint

XGBoosterLoadRabitCheckpoint:

• libxgboost: XGBoosterLoadRabitCheckpoint(handle: BoosterHandle; version: ptr cint): cint

XGBoosterPredict:

• libxgboost: XGBoosterPredict(handle: BoosterHandle; dmat: DMatrixHandle; option_mask: cint; ntree_limit: cuint; training: cint; out_len: ptr bst_ulong; out_result: ptr ptr cfloat): cint

XGBoosterPredictFromCSR:

• libxgboost: XGBoosterPredictFromCSR(handle: BoosterHandle; indptr: cstring; indices: cstring; values: cstring; ncol: bst_ulong; c_json_config: cstring; m: DMatrixHandle; out_shape: ptr ptr bst_ulong; out_dim: ptr bst_ulong; out_result: ptr ptr cfloat): cint

XGBoosterPredictFromCudaArray:

• libxgboost: XGBoosterPredictFromCudaArray(handle: BoosterHandle; values: cstring; c_json_config: cstring; m: DMatrixHandle; out_shape: ptr ptr bst_ulong; out_dim: ptr bst_ulong; out_result: ptr ptr cfloat): cint

XGBoosterPredictFromCudaColumnar:

• libxgboost: XGBoosterPredictFromCudaColumnar(handle: BoosterHandle; values: cstring; c_json_config: cstring; m: DMatrixHandle; out_shape: ptr ptr bst_ulong; out_dim: ptr bst_ulong; out_result: ptr ptr cfloat): cint

XGBoosterPredictFromDense:

• libxgboost: XGBoosterPredictFromDense(handle: BoosterHandle; values: cstring; c_json_config: cstring; m: DMatrixHandle; out_shape: ptr ptr bst_ulong; out_dim: ptr bst_ulong; out_result: ptr ptr cfloat): cint

XGBoosterPredictFromDMatrix:

• libxgboost: XGBoosterPredictFromDMatrix(handle: BoosterHandle; dmat: DMatrixHandle; c_json_config: cstring; out_shape: ptr ptr bst_ulong; out_dim: ptr bst_ulong; out_result: ptr ptr cfloat): cint

XGBoosterSaveJsonConfig:

• libxgboost: XGBoosterSaveJsonConfig(handle: BoosterHandle; out_len: ptr bst_ulong; out_str: cstringArray): cint

XGBoosterSaveModel:

• libxgboost: XGBoosterSaveModel(handle: BoosterHandle; fname: cstring): cint

XGBoosterSaveRabitCheckpoint:

• libxgboost: XGBoosterSaveRabitCheckpoint(handle: BoosterHandle): cint

XGBoosterSerializeToBuffer:

• libxgboost: XGBoosterSerializeToBuffer(handle: BoosterHandle; out_len: ptr bst_ulong; out_dptr: cstringArray): cint

XGBoosterSetAttr:

• libxgboost: XGBoosterSetAttr(handle: BoosterHandle; key: cstring; value: cstring): cint

XGBoosterSetParam:

• libxgboost: XGBoosterSetParam(handle: BoosterHandle; name: cstring; value: cstring): cint

XGBoosterSetStrFeatureInfo:

• libxgboost: XGBoosterSetStrFeatureInfo(handle: BoosterHandle; field: cstring; features: cstringArray; size: bst_ulong): cint

XGBoosterSlice:

• libxgboost: XGBoosterSlice(handle: BoosterHandle; begin_layer: cint; end_layer: cint; step: cint; out: ptr BoosterHandle): cint

XGBoosterUnserializeFromBuffer:

• libxgboost: XGBoosterUnserializeFromBuffer(handle: BoosterHandle; buf: pointer; len: bst_ulong): cint

XGBoosterUpdateOneIter:

• libxgboost: XGBoosterUpdateOneIter(handle: BoosterHandle; iter: cint; dtrain: DMatrixHandle): cint

XGBoostVersion:

• libxgboost: XGBoostVersion(major: ptr cint; minor: ptr cint; patch: ptr cint)

xgbRegisterLogCallback:

• xgboost: xgbRegisterLogCallback(callback: proc (msg: string) {.gcsafe.})

XGBRegisterLogCallback:

• libxgboost: XGBRegisterLogCallback(callback: proc (a1: cstring) {.cdecl.}): cint

xgbSetGlobalConfig:

• xgboost: xgbSetGlobalConfig(json: JsonNode)

XGBSetGlobalConfig:

• libxgboost: XGBSetGlobalConfig(json_str: cstring): cint

xgbVersion:

• xgboost: xgbVersion(): tuple[major: int, minor: int, patch: int]

XGDevice:

• xgboost: XGDevice

XGDeviceQuantileDMatrixCreateFromCallback:

• libxgboost: XGDeviceQuantileDMatrixCreateFromCallback(iter: DataIterHandle; proxy: DMatrixHandle; reset: ptr DataIterResetCallback; next: ptr XGDMatrixCallbackNext; missing: cfloat; nthread: cint; max_bin: cint; out: ptr DMatrixHandle): cint

XGDeviceQuantileDMatrixSetDataCudaArrayInterface:

• libxgboost: XGDeviceQuantileDMatrixSetDataCudaArrayInterface(handle: DMatrixHandle; c_interface_str: cstring): cint

XGDeviceQuantileDMatrixSetDataCudaColumnar:

• libxgboost: XGDeviceQuantileDMatrixSetDataCudaColumnar(handle: DMatrixHandle; c_interface_str: cstring): cint

XGDMatrix:

• xgboost: XGDMatrix

XGDMatrixCallbackNext:

• libxgboost: XGDMatrixCallbackNext

XGDMatrixCreateFromCSCEx:

• libxgboost: XGDMatrixCreateFromCSCEx(col_ptr: ptr csize_t; indices: ptr cuint; data: ptr cfloat; nindptr: csize_t; nelem: csize_t; num_row: csize_t; out: ptr DMatrixHandle): cint

XGDMatrixCreateFromCSR:

• libxgboost: XGDMatrixCreateFromCSR(indptr: cstring; indices: cstring; data: cstring; ncol: bst_ulong; json_config: cstring; out: ptr DMatrixHandle): cint

XGDMatrixCreateFromCSREx:

• libxgboost: XGDMatrixCreateFromCSREx(indptr: ptr csize_t; indices: ptr cuint; data: ptr cfloat; nindptr: csize_t; nelem: csize_t; num_col: csize_t; out: ptr DMatrixHandle): cint

XGDMatrixCreateFromDataIter:

• libxgboost: XGDMatrixCreateFromDataIter(data_handle: DataIterHandle; callback: ptr XGBCallbackDataIterNext; cache_info: cstring; out: ptr DMatrixHandle): cint

XGDMatrixCreateFromDT:

• libxgboost: XGDMatrixCreateFromDT(data: ptr pointer; feature_stypes: cstringArray; nrow: bst_ulong; ncol: bst_ulong; out: ptr DMatrixHandle; nthread: cint): cint

XGDMatrixCreateFromFile:

• libxgboost: XGDMatrixCreateFromFile(fname: cstring; silent: cint; out: ptr DMatrixHandle): cint

XGDMatrixCreateFromMat:

• libxgboost: XGDMatrixCreateFromMat(data: ptr cfloat; nrow: bst_ulong; ncol: bst_ulong; missing: cfloat; out: ptr DMatrixHandle): cint

XGDMatrixCreateFromMat_omp:

• libxgboost: XGDMatrixCreateFromMat_omp(data: ptr cfloat; nrow: bst_ulong; ncol: bst_ulong; missing: cfloat; out: ptr DMatrixHandle; nthread: cint): cint

XGDMatrixFree:

• libxgboost: XGDMatrixFree(handle: DMatrixHandle): cint

XGDMatrixGetFloatInfo:

• libxgboost: XGDMatrixGetFloatInfo(handle: DMatrixHandle; field: cstring; out_len: ptr bst_ulong; out_dptr: ptr ptr cfloat): cint

XGDMatrixGetStrFeatureInfo:

• libxgboost: XGDMatrixGetStrFeatureInfo(handle: DMatrixHandle; field: cstring; size: ptr bst_ulong; out_features: ptr cstringArray): cint

XGDMatrixGetUIntInfo:

• libxgboost: XGDMatrixGetUIntInfo(handle: DMatrixHandle; field: cstring; out_len: ptr bst_ulong; out_dptr: ptr ptr cuint): cint

XGDMatrixInfoKey:

• xgboost: XGDMatrixInfoKey

XGDMatrixNumCol:

• libxgboost: XGDMatrixNumCol(handle: DMatrixHandle; out: ptr bst_ulong): cint

XGDMatrixNumRow:

• libxgboost: XGDMatrixNumRow(handle: DMatrixHandle; out: ptr bst_ulong): cint

XGDMatrixSaveBinary:

• libxgboost: XGDMatrixSaveBinary(handle: DMatrixHandle; fname: cstring; silent: cint): cint

XGDMatrixSetDenseInfo:

• libxgboost: XGDMatrixSetDenseInfo(handle: DMatrixHandle; field: cstring; data: pointer; size: bst_ulong; type: cint): cint

XGDMatrixSetFloatInfo:

• libxgboost: XGDMatrixSetFloatInfo(handle: DMatrixHandle; field: cstring; array: ptr cfloat; len: bst_ulong): cint

XGDMatrixSetGroup:

• libxgboost: XGDMatrixSetGroup(handle: DMatrixHandle; group: ptr cuint; len: bst_ulong): cint

XGDMatrixSetInfoFromInterface:

• libxgboost: XGDMatrixSetInfoFromInterface(handle: DMatrixHandle; field: cstring; c_interface_str: cstring): cint

XGDMatrixSetStrFeatureInfo:

• libxgboost: XGDMatrixSetStrFeatureInfo(handle: DMatrixHandle; field: cstring; features: cstringArray; size: bst_ulong): cint

XGDMatrixSetUIntInfo:

• libxgboost: XGDMatrixSetUIntInfo(handle: DMatrixHandle; field: cstring; array: ptr cuint; len: bst_ulong): cint

XGDMatrixSliceDMatrix:

• libxgboost: XGDMatrixSliceDMatrix(handle: DMatrixHandle; idxset: ptr cint; len: bst_ulong; out: ptr DMatrixHandle): cint

XGDMatrixSliceDMatrixEx:

• libxgboost: XGDMatrixSliceDMatrixEx(handle: DMatrixHandle; idxset: ptr cint; len: bst_ulong; out: ptr DMatrixHandle; allow_groups: cint): cint

XGError:

• xgboost: XGError

XGProxyDMatrixCreate:

• libxgboost: XGProxyDMatrixCreate(out: ptr DMatrixHandle): cint