MLLib

Question 1

Algorithm that won Netflix prize

Answer 1

Alternating Least Squares

Question 2

Call model alternating least squares

Answer 2

model = ALS.train(ratings, rank, numIterations)

Question 3

How does alternating least squares work?

Answer 3

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Question 4

ALS imports

Answer 4

from pyspark.mllib.recommendation import ALS, Rating