gower_topn  R Documentation 
Find the topn matches in y
for each record in x
.
gower_topn( x, y, pair_x = NULL, pair_y = NULL, n = 5, eps = 1e08, weights = NULL, ignore_case = FALSE, nthread = getOption("gd_num_thread") )
x 

y 

pair_x 

pair_y 

n 
The topn indices and distances to return. 
eps 

weights 

ignore_case 

nthread 
Number of threads to use for parallelization. By default,
for a dualcore machine, 2 threads are used. For any other machine
n1 cores are used so your machine doesn't freeze during a big computation.
The maximum nr of threads are determined using 
A list
with two array elements: index
and distance
. Both have size n X nrow(x)
. Each ith column
corresponds to the topn best matches of x
with rows in y
.
When there are no columns to compare, a message is printed and both
distance
and index
will be empty matrices; the list is
then returned invisibly.
gower_dist
# find the top 4 best matches in the iris data set with itself. x < iris[1:3,] lookup < iris[1:10,] gower_topn(x=x,y=lookup,n=4)
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