ctgov_tfidf: TF-IDF Keywords

In presagia-analytics/ctrialsgov: Query Data from ClinicalTrials.gov

TF-IDF Keywords

Description

Takes one or more vectors of text and returns a vector of keywords.

Usage

ctgov_tfidf(
  ...,
  max_terms = 10000,
  tolower = TRUE,
  nterms = 5L,
  min_df = 0,
  max_df = 1
)

Arguments

...	one or more vectors of text to search; must all be the same length
max_terms	maximum number of terms to consider for keywords
tolower	should keywords respect the case of the raw terms
nterms	number of keyord terms to include
min_df	minimum proportion of documents that a term should be present in to be included in the keywords
max_df	maximum proportion of documents that a term should be present in to be included in the keywords

Value

a character vector of detected keywords

presagia-analytics/ctrialsgov documentation built on March 25, 2024, 2:10 p.m.