I have a character vector that looks like this:
vector
"Narcos: Mexico, Narcos, Narcos: Mexico"
"V for Vendetta, Narcos: Mexico"
"Criminal: France, Criminal UK, Criminal: France"
"V for Vendetta"
...
what I want to do is to get rid of duplicate titles from for each row, where every title is separated by a comma:
"Narcos: Mexico, Narcos"
"V for Vendetta, Narcos: Mexico"
"Criminal: France, Criminal UK"
"V for Vendetta"
...
data
vector1 <- c("Narcos: Mexico, Narcos, Narcos: Mexico", "V for Vendetta, Narcos: Mexico",
"Criminal: France, Criminal UK, Criminal: France", "V for Vendetta"
)