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pub
2013 Jan 23
4
extracting characters from a string
Dear All,
I have a data frame of vectors of publication names such as 'pub':
pub1 <- c('Brown DK, Santos R, Rome DF, Don Juan X')
pub2 <- c('Benigni D')
pub3 <- c('Arstra SD, Van den Hoops DD, lamarque D')
pub <- rbind(pub1, pub2, pub3)
I would like to construct a dataframe with only author's last name and each last name in columns and the publication in rows. Basically I want to get rid of the initials (max 2, always before a comma...