faster method for setdiff

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Yuang el 11 de Abr. de 2016

Comentada: Walter Roberson el 11 de Abr. de 2016

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 el 11 de Abr. de 2016

Yuang,

What kind of data is in A and B?

Is one a superset of the other?

Walter Roberson el 11 de Abr. de 2016

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

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