jaccard_distance: Optimized Computation of Jaccard Distance

In trinker/clustext: Consistent Clustering for Text Data

Description

Utilizes the slam package to efficiently calculate jaccard distance on large sparse matrices.

Usage

jaccard_distance(x, ...)

## S3 method for class 'DocumentTermMatrix'
jaccard_distance(x, ...)

## S3 method for class 'TermDocumentMatrix'
jaccard_distance(x, ...)

Arguments

x	A data type (e.g., DocumentTermMatrix or TermDocumentMatrix).
...	ignored.

Value

Returns a jaccard distance object of class "dist".

Author(s)

user41844 of StackOverflow, Dmitriy Selivanov, and Tyler Rinker <[e-mail]>.

References

http://stackoverflow.com/a/36373333/1000343 http://stats.stackexchange.com/a/89947/7482

Examples

library(gofastr)
library(dplyr)

out <- presidential_debates_2012 %>%
    with(q_dtm(dialogue)) %>%
    jaccard_distance()

trinker/clustext documentation built on May 31, 2019, 8:41 p.m.