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if they were independent

Chinese translation: FYI

01:58 Jun 28, 2017
English to Chinese translations [PRO]
Tech/Engineering - IT (Information Technology) / machine learning
English term or phrase: if they were independent
We define "Lift" as
Lift (X & Y) = pct (X & Y) / ( pct (X) * pct (Y) )
where pct(X) is the percent of users who selected X.
Lift (X&Y) > 1 indicates that X&Y appear together more than expected {if they were independent},
Lift=1 if X & Y appear with frequency expected if they are independent, and
Lift < 1 if X & Y appear together less than expected (negatively correlated)
｛如果X和Y是独立的（工具）｝，X和Y出现在一起的频率之高超乎预期？
clearwater
China
Local time: 18:46
Chinese translation:FYI
Explanation:
如果X和Y是独立的（工具）｝，X和Y出现在一起的频率之高超乎预期？



这个译文正确，但是if they were independent的过去时是否应该反映出来？例如：

如果X和Y曾是独立的（工具）｝


(下一句是现在时)



--------------------------------------------------
Note added at 53 mins (2017-06-28 02:51:54 GMT)
--------------------------------------------------

Copierd from your discussion entry:
"我们将“Lift”定义为：
Lift（X & Y）= pct（X & Y）/（ pct (X)* pct（Y)）
其中，pct（X）是选择X的用户的百分比。
Lift（X&Y）> 1表示，如果X和Y是独立的工具，X和Y出现在一起的频率之高超乎预料；
Lift=1表示，如果X和Y是独立的工具，X和Y出现在一起的频率在预料之中；
Lift < 1表示，X和Y出现在一起的频率之低超乎预料（负相关）。"

完全正确，但突然想到if they were independent是虚拟语气吧？也就是“假如”的意思。
Selected response from:

jyuan_us
United States
Local time: 06:46
Grading comment
谢谢！
4 KudoZ points were awarded for this answer



Summary of answers provided
5FYI
jyuan_us
4如果两者是不相关的
Frank Feng


Discussion entries: 2





  

Answers


34 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
如果两者是不相关的


Explanation:
X和Y是不相关的/相互独立的，但是同时出现的比例很高（lift之后）

Frank Feng
China
Local time: 18:46
Specializes in field
Native speaker of: Chinese
PRO pts in category: 2175
Login to enter a peer comment (or grade)

27 mins   confidence: Answerer confidence 5/5
FYI


Explanation:
如果X和Y是独立的（工具）｝，X和Y出现在一起的频率之高超乎预期？



这个译文正确，但是if they were independent的过去时是否应该反映出来？例如：

如果X和Y曾是独立的（工具）｝


(下一句是现在时)



--------------------------------------------------
Note added at 53 mins (2017-06-28 02:51:54 GMT)
--------------------------------------------------

Copierd from your discussion entry:
"我们将“Lift”定义为：
Lift（X & Y）= pct（X & Y）/（ pct (X)* pct（Y)）
其中，pct（X）是选择X的用户的百分比。
Lift（X&Y）> 1表示，如果X和Y是独立的工具，X和Y出现在一起的频率之高超乎预料；
Lift=1表示，如果X和Y是独立的工具，X和Y出现在一起的频率在预料之中；
Lift < 1表示，X和Y出现在一起的频率之低超乎预料（负相关）。"

完全正确，但突然想到if they were independent是虚拟语气吧？也就是“假如”的意思。

jyuan_us
United States
Local time: 06:46
Native speaker of: Native in ChineseChinese
PRO pts in category: 2117
Grading comment
谢谢！
Notes to answerer
Asker: 看了一下全文，时态不用翻译出来。

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