包 | 描述 |
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ai.rapids.cudf |
修饰符和类型 | 方法和描述 |
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static SegmentedReductionAggregation |
SegmentedReductionAggregation.all() 全归约。
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static SegmentedReductionAggregation |
SegmentedReductionAggregation.any() 任意归约。
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static SegmentedReductionAggregation |
SegmentedReductionAggregation.hostUDF(HostUDFWrapper wrapper) 使用主机端用户定义函数 (UDF) 执行归约。
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static SegmentedReductionAggregation |
SegmentedReductionAggregation.max() 最大值聚合
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static SegmentedReductionAggregation |
SegmentedReductionAggregation.min() 最小值聚合
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static SegmentedReductionAggregation |
SegmentedReductionAggregation.product() 乘积聚合。
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static SegmentedReductionAggregation |
SegmentedReductionAggregation.sum() 求和聚合
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修饰符和类型 | 方法和描述 |
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ColumnVector |
ColumnView.listReduce(SegmentedReductionAggregation aggregation) 对列表中的值进行归约。
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ColumnVector |
ColumnView.listReduce(SegmentedReductionAggregation aggregation, DType outType) 对列表中的值进行归约。
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ColumnVector |
ColumnView.listReduce(SegmentedReductionAggregation aggregation, NullPolicy nullPolicy, DType outType) 对列表中的值进行归约。
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ColumnVector |
ColumnView.segmentedReduce(ColumnView offsets, SegmentedReductionAggregation aggregation) 执行分段归约,其中 offsets 列指示要合并的组。
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ColumnVector |
ColumnView.segmentedReduce(ColumnView offsets, SegmentedReductionAggregation aggregation, DType outType) 执行分段归约,其中 offsets 列指示要合并的组。
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ColumnVector |
ColumnView.segmentedReduce(ColumnView offsets, SegmentedReductionAggregation aggregation, NullPolicy nullPolicy, DType outType) 执行分段归约,其中 offsets 列指示要合并的组。
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