Count mentions of key words in Lenin's work
count_lenin_mentions.Rd
Counts how often a key word occurs in Lenin's work. Considers word boundaries, optionally considers letter case.
Usage
count_lenin_mentions(
words,
ignore_case = TRUE,
word_boundaries = TRUE,
return_all_rows = FALSE
)
Arguments
- words
vector of key words to search for
- ignore_case
logical, should case sensitivity be considered?
- word_boundaries
logical, should word boundaries be considered?
- return_all_rows
logical, return all rows, or only rows with 1+ instance? It's considerably faster to only return rows with 1+ instance for large data frames and/or infrequent words.
Value
Returns the lenin data frame with two new columns added:
- mentions
number of occurrences of the key word in the
text
column- word
key word
The data frame will be in "long" format, with a new row for each key word. If
return_all_rows
is set to FALSE
only rows with at least one mention for
one of the words