\item{pos_cutoff}{Optional value above which sentence-level sentiment scores should be considered "positive"}
\item{neg_cutoff}{Optional value below which sentence-level sentiment scores should be considered "negative"}
\item{single_party}{Boolean to generate data only from sentences in which a single party is mentioned, defaults to FALSE}
}
\value{
When no ids, returns actor-article dataset with individual actors, party aggregations, party-actor aggregations and overall actor sentiment (regardless of specific actors). When ids, returns aggregations for each vector in list