You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert
---原始邮件---
发件人: "DoubleYing"<notifications@github.com>
发送时间: 2020年6月9日(周二) 晚上8:09
收件人: "xiaogp/recsys_spark"<recsys_spark@noreply.github.com>;
抄送: "Subscribed"<subscribed@noreply.github.com>;
主题: [xiaogp/recsys_spark] 关于usercf (#2)
在u2u2i的过程中,没有看到找相似user的过程。或者说,
val df_user_prefer2 = df_user_prefer1.withColumn("score", col("pref") * col("similar") * (lit(1) / log(col("sum_item") * hot_item_regular + math.E))).select("useridJ", "itemid", "score")
这一行,为什么可以直接去掉useridI这一项呢?
—
You are receiving this because you are subscribed to this thread.
Reply to this email directly, view it on GitHub, or unsubscribe.
在u2u2i的过程中,没有看到找相似user的过程。或者说,
val df_user_prefer2 = df_user_prefer1.withColumn("score", col("pref") * col("similar") * (lit(1) / log(col("sum_item") * hot_item_regular + math.E))).select("useridJ", "itemid", "score")
这一行,为什么可以直接去掉useridI这一项呢?
The text was updated successfully, but these errors were encountered: