match_stopwords: Remove Stopwords from User Reviews
Description
This function processes a dataframe containing user reviews and removes predefined stopwords.
It first searches the package's internal stopwords dataset (stopwords_tr), and if
no match is found, it falls back to the broader stopwords_iso list.
Usage
match_stopwords(df)
Value
A modified dataframe with an additional cleaned_text column containing stopword-free text.
Arguments
df
Dataframe containing user reviews, with required columns comment (text) and rating (numerical score).
Details
The function converts text to a standardized format by removing accents and special characters,
transforming it into basic Latin characters, and making all letters lowercase. It then
tokenizes the text, filters out stopwords, and returns the cleaned version.
reviews_sample <- tibble::tibble(
comment = c("Bu ürün xs ancak fiyatı yüksek gibi",
"Fiyat çok pahalı ama kaliteli iyi"),
rating = c(4.5, 3.0)
)
match_stopwords(reviews_sample)