Re: [R] Extract elements that starts with...

Thx alot works perfect! //Joel -- View this message in context: http://r.789695.n4.nabble.com/Extract-elements-that-starts-with-tp3046332p3046420.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https

Re: [R] Extract elements that starts with...

Hi, A reproducible example would have been nice... Here is one: vect <- c(rep("| A010 |",3), rep("| A020 |",5), rep("| A021 |",2)) df <- data.frame(a=vect, b=rnorm(10), d=rnorm(10)) df[grep(pattern="A02", df$a), ] HTH, Ivan Le 11/17/2010 10:16, Joel a écrit : Hi I got an table that contains

[R] Extract elements that starts with...

Hi I got an table that contains this colum and i wonder if there is any nice way to extract all rows that contains all dose that start with A02, so all the rows that have A020 and A021 etc etc... | A010 | | A010 | | A010 | | A020 | | A020 | | A020 | | A020 | | A020 | | A021 | | A021 | Thx for