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Hansdewit
Obsidian | Level 7

I am using for project now the procedure Fastknn.

i can choose as method=APPROXIMATE | EXACT.

 

But the documentation doesn't describe which method it use. like as in proc distance. so my question is which distance method is Fastknn is using.

 

exampple: 

Euclidean distance, Squared Euclidean distance, shape distance, chebychev

2 REPLIES 2
Hansdewit
Obsidian | Level 7

my colleague told me as well. it was mentioned in Details of documentations. sorryabout. 

P.S. Proc Fastknn is incredible fast.  the procedure create for me a dataset of 159 billion rows with the distnance and make the decision of which is the nearest in only 900 seconds.

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