faster method for setdiff

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Yuang 2016 年 4 月 11 日

コメント済み: Walter Roberson 2016 年 4 月 11 日

I am using setdiff function for deleting same rows.

C = setdiff(A,B,'rows')

It takes about 84.9% of time for my entire code which consumes a lot of time. Is there a faster way for setdiff function?

Kirby Fears 2016 年 4 月 11 日

Yuang,

What kind of data is in A and B?

Is one a superset of the other?

Walter Roberson 2016 年 4 月 11 日

What is your data type? Numeric? Categorical? Table?

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