h2o.distance | R Documentation |
Compute a pairwise distance measure between all rows of two numeric H2OFrames.
h2o.distance(x, y, measure)
x |
An H2OFrame object (large, references). |
y |
An H2OFrame object (small, queries). |
measure |
An optional string indicating what distance measure to use. Must be one of: "l1" - Absolute distance (L1-norm, >=0) "l2" - Euclidean distance (L2-norm, >=0) "cosine" - Cosine similarity (-1...1) "cosine_sq" - Squared Cosine similarity (0...1) |
## Not run:
library(h2o)
h2o.init()
prostate_path <- system.file("extdata", "prostate.csv", package = "h2o")
prostate <- h2o.uploadFile(path = prostate_path)
h2o.distance(prostate[11:30, ], prostate[1:10, ], "cosine")
## End(Not run)
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