Re: [R] check for item in vector

2010-12-13 Thread David L Lorenz
CH, How about any: any("Tiger" == animal) The function which will tell you the index if any match which("Tiger" == animal. You should also look at the match funciton. Dave From: "C.H." To: R-help Date: 12/13/2010 08:50 AM Subject: [R] check for item

Re: [R] check for item in vector

2010-12-13 Thread Jorge Ivan Velez
Hi CH, Check ?is.element ?"%in%" HTH, Jorge On Mon, Dec 13, 2010 at 9:48 AM, C.H. <> wrote: > Dear R users, > > Suppose I have an vector like this: > > animal <- c("Tiger","Panda") > > I would like to know is there any function that check for the > existence of certain item in a vector. > > e

Re: [R] check for item in vector

2010-12-13 Thread Ivan Calandra
Hi, See ?"%in%" or ?match animal <- c("Tiger","Panda") "Tiger" %in% animal [1] TRUE "Acacia" %in% animal [1] FALSE "Panda" %in% animal [1] TRUE HTH, Ivan Le 12/13/2010 15:48, C.H. a écrit : Dear R users, Suppose I have an vector like this: animal<- c("Tiger","Panda") I would like to know i

[R] check for item in vector

2010-12-13 Thread C.H.
Dear R users, Suppose I have an vector like this: animal <- c("Tiger","Panda") I would like to know is there any function that check for the existence of certain item in a vector. e.g. > func("Tiger",animal) # check for the existence of "Tiger" TRUE > func("Acacia",animal) #Acacia is not an i