[R] Declare a set (list?) of many dataframes or matrices
arun
smartpink111 at yahoo.com
Fri May 3 18:42:20 CEST 2013
Hi,
I am not sure about what you meant.
lapply(1:5,function(i) data.frame())
[[1]]
data frame with 0 columns and 0 rows
[[2]]
data frame with 0 columns and 0 rows
[[3]]
data frame with 0 columns and 0 rows
[[4]]
data frame with 0 columns and 0 rows
[[5]]
data frame with 0 columns and 0 rows
A.K.
----- Original Message -----
From: jpm miao <miaojpm at gmail.com>
To: r-help <r-help at r-project.org>
Cc:
Sent: Friday, May 3, 2013 11:20 AM
Subject: [R] Declare a set (list?) of many dataframes or matrices
Hi,
I would like to read several datasets and would like to create a set
(list? sequence?) of many empty dataframes. How could this be done? How
could I declare a set (list? sequence?) of many empty matrices?
Thanks,
Miao
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