Indicate if a term is contained in abstracts

Indicate if a term is contained in abstracts.

indicate_term(
  df,
  term,
  threshold = 1,
  case = FALSE,
  discard = FALSE,
  col.abstract = Abstract
)

Arguments

df	Data frame containing abstracts.
term	Character vector. Vector containing terms to indicate.
threshold	Integer. Sets how often a term must be in an abstract to be considered "present".
case	Boolean. If case = TRUE, strings contained in term are case sensitive. If case = FALSE, strings contained in term are case insensitive.
discard	Boolean. If discard = TRUE, only abstracts containing the terms in term are kept.
col.abstract	Symbol. Column containing abstracts.

Value

Data frame. If discard = FALSE, the original data frame with additional columns per term is returned. If discard = TRUE, only abstracts containing the terms in term are returned.

Details

Indicate if a term is contained in an abstract. Terms provided can either be case sensitive or insensitive. Per term, a new column is added to the data frame indicating if the term is present in an abstract. Furthermore, if a term is considered "present" in an abstract can be regulated via the threshold argument. threshold determines how often a term must be in an abstract to be considered "present".

See also

indicate_mir()

Other indicate functions: indicate_mir()