nuget
构建矩阵所使用的方法
FVecTransformer
01 Syntax
Microsoft.VisualBasic.MachineLearning.XGBoost.util.FVecTransformer
02 Methods
03 Members
fromArray(
Single(), Boolean)Builds FVec from dense vector.
Parameters
| Name | Type | Description |
|---|---|---|
values | Single() | float values |
treatsZeroAsNA | Boolean | treat zero as N/A if true |
Returns
FVec
fromArray(
Double(), Boolean)Builds FVec from dense vector.
Parameters
| Name | Type | Description |
|---|---|---|
values | Double() | double values |
treatsZeroAsNA | Boolean | treat zero as N/A if true |
Returns
FVec
fromArray(
Single(), Single)Builds FVec from dense vector.
Parameters
| Name | Type | Description |
|---|---|---|
values | Single() | float values |
treatsValueAsNA | Single | treat specify value as N/A |
Returns
FVec
fromArray(
Double(), Double)Builds FVec from dense vector.
Parameters
| Name | Type | Description |
|---|---|---|
values | Double() | double values |
treatsValueAsNA | Double | treat specify value as N/A |
Returns
FVec
fromMap``1(
IDictionary(Of String, ``0))Builds FVec from map.
Remarks
构建稀疏矩阵中的一行数据
Parameters
| Name | Type | Description |
|---|---|---|
map | IDictionary(Of String, ``0) | map containing non-zero values |
Returns
FVec
fromMap(
IDictionary(Of String, T1))