View source: R/AnnoyParam-class.R
AnnoyParam | R Documentation |
A class to hold parameters for the Annoy algorithm for approximate nearest neighbor identification.
AnnoyParam(
ntrees = 50,
directory = tempdir(),
search.mult = ntrees,
distance = "Euclidean"
)
ntrees |
Integer scalar, number of trees to use for index generation. |
directory |
String containing the path to the directory in which to save the index. |
search.mult |
Numeric scalar, multiplier for the number of points to search. |
distance |
String, the distance metric to use. |
The AnnoyParam class holds all parameters associated with running the Annoy algorithm.
Most of these parameters are used to build the index - see buildAnnoy
for details.
Users can get or set values with the usual [[
syntax.
All parameters listed in the constructor can be manipulated in this manner.
An instance of the AnnoyParam class.
Aaron Lun
buildAnnoy
, for the index construction.
findAnnoy
and related functions, for the actual search.
BiocNeighborParam, for the parent class and its available methods.
(out <- AnnoyParam())
out[['ntrees']]
out[['ntrees']] <- 20L
out
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