榜单
服务器优惠
AI论文
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采样(stream)
功能介绍 参数说明 脚本示例 脚本 结果 功能介绍 随机采样是对数据进行随机抽样，每个样本都以相同的概率被抽到。 参数说明 名称 中文名称 描述 类型 是否必须？ 默认值 ratio 采样比例 采样率，范围为[0, 1] Double ✓ withReplacement 是否放回 是否有... -
CREATE STREAM
CREATE STREAM Synopsis Notes Examples CREATE STREAM Register a stream on the bottom layer topic with the same name as the stream. An exception will be thrown if the stream i... -
where(stream)
Description Parameters Script Example Code Description Filter records in the stream operator. Parameters Name Description Type Required？ Default Value clause ... -
VectorElementwiseProduct(stream)
Description Parameters Script Example Script Result Description VectorEleWiseProduct multiplies each input vector by a provided “scaling” vector, using element-wise multipl... -
unionall(stream)
Description Parameters Script Example Code Description Union two stream operators. The duplicated records are kept. Parameters Name Description Type Required？ Defa... -
StringIndexerPredict(stream)
Description Parameters Script Example Code Results Description Map string to index. Parameters Name Description Type Required？ Default Value handleInvalid S... -
StandardScalerPredict(stream)
Description Parameters Script Example Script Result Description StandardScaler transforms a dataset, normalizing each feature to have unit standard deviation and/or zero me... -
RandomForestRegressorPredict(stream)
Description Parameters Script Example Code Result Description The random forest use the bagging to prevent the overfitting. In the operator, we implement three type of de... -
RandomForestClassifierPredict(stream)
Description Parameters Script Example Code Result Description The random forest use the bagging to prevent the overfitting. In the operator, we implement three type of de... -
LinearRegressionPredict(stream)
Description Parameters Script Example Script Result Description Linear regression predict stream operator. this operator predict data’s regression value with linear model. ...