使用限制

支持的計算引擎為MaxCompute和Flink。

可視化配置組件參數(shù)

• 輸入樁

  輸入樁（從左到右）	數(shù)據(jù)類型	建議上游組件	是否必選
  user因子表	無	ALS矩陣分解	是
  item因子表	無	ALS矩陣分解	是
  待評分的輸入數(shù)據(jù)	無	讀數(shù)據(jù)表 讀CSV文件 數(shù)據(jù)預(yù)處理	是

• 組件參數(shù)

  頁簽	參數(shù)	描述
  字段設(shè)置	user列名	輸入數(shù)據(jù)源中，用戶ID列的名稱。該列數(shù)據(jù)必須是BIGINT類型。
  	item列名	輸入數(shù)據(jù)源中，item項的列名。該列數(shù)據(jù)必須是BIGINT類型。
  參數(shù)設(shè)置	預(yù)測結(jié)果列名	輸出數(shù)據(jù)表中，用來制定評分結(jié)果存儲的列名。
  	輸出表生命周期	輸出表生命周期。
  執(zhí)行調(diào)優(yōu)	節(jié)點個數(shù)	取值范圍為1~9999。
  	單個節(jié)點的內(nèi)存大小	取值范圍為1024 MB~64*1024 MB。

• 輸出樁

  輸出樁（從左到右）	數(shù)據(jù)類型	下游組件
  評分結(jié)果表	無	無

使用示例

用來評分的user因子表和item因子表：

• 輸出的user因子表

  user_id	factors
  8528750	[0.026986524,0.03350178,0.03532385,0.019542359,0.020429865,0.02046867,0.022253247,0.027391396,0.018985065,0.04889483]
  282500	[0.116156064,0.07193632,0.090851225,0.017075706,0.025412979,0.047022138,0.12534861,0.05869226,0.11170533,0.1640192]
  4895250	[0.038429666,0.061858658,0.04236993,0.055866677,0.031814687,0.0417443,0.012085311,0.0379342,0.10767074,0.028392972]
  ... ...	... ...

• 輸出的item因子表

  item_id	factors
  24601	[0.0063337763,0.026349949,0.0064828005,0.01734504,0.022049638,0.0059205987,0.008568814,0.0015981696,0.0,0.013601779]
  26699	[0.0027524426,0.0043066847,0.0031336215,0.00269448,0.0022347474,0.0020477585,0.0027995422,0.0025390312,0.0033011117,0.003957773]
  20751	[0.03902271,0.050952066,0.032981463,0.03862796,0.048720762,0.027976315,0.02721664,0.018149626,0.0149896275,0.026251089]
  ... ...	... ...

評分結(jié)果表：