Re: [R] mean of a column in a list of data frames

2017-02-05 Thread Rui Barradas
Hello, Try instead the following. aList<- numeric(3) for(i in 1:3){ aList[i] <- mean(ownersList[[i]]$grossIncome) } aList Hope this helps, Rui Barradas Em 05-02-2017 12:01, Brandon Payne escreveu: I have a list of data frames, ownersList <- list(exp2004owners,exp2005owners,

Re: [R] mean of a column in a list of data frames

2017-02-05 Thread Duncan Murdoch
On 05/02/2017 7:01 AM, Brandon Payne wrote: I have a list of data frames, ownersList <- list(exp2004owners,exp2005owners, exp2006owners,exp2007owners, exp2008owners,exp2009owners, exp2010owners,exp2011owners, exp2012

[R] mean of a column in a list of data frames

2017-02-05 Thread Brandon Payne
I have a list of data frames, ownersList <- list(exp2004owners,exp2005owners, exp2006owners,exp2007owners, exp2008owners,exp2009owners, exp2010owners,exp2011owners, exp2012owners,exp2013owners, exp20