cbind for list of zoo objects
On Mon, Apr 8, 2013 at 3:54 PM, Harry Mamaysky <h.mamaysky at gmail.com> wrote:
Can someone explain why this happens when one of the list elements is named 'all'?
zz <- list( zoo(1:10,1:10), zoo(101:110,1:10), zoo(201:210,1:10) )
names(zz)<-c('test','bar','foo')
do.call(cbind,zz)
test bar foo 1 1 101 201 2 2 102 202 3 3 103 203 4 4 104 204 5 5 105 205 6 6 106 206 7 7 107 207 8 8 108 208 9 9 109 209 10 10 110 210
names(zz)<-c('test','all','foo')
do.call(cbind,zz)
test foo 1 1 201 2 2 202 3 3 203 4 4 204 5 5 205 6 6 206 7 7 207 8 8 208 9 9 209 10 10 210
all= is an argument to cbind.zoo so it cannot be used as a column name.
args(zoo:::cbind.zoo)
function (..., all = TRUE, fill = NA, suffixes = NULL, drop = FALSE) NULL -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com