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 ??? [[alternative HTML version deleted]] ______________________________________________ R-help at r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Declare a set (list?) of many dataframes or matrices
1 message · arun