length.ff {ff} | R Documentation |
Gets and sets length of ff objects.
## S3 method for class 'ff': length(x) ## S3 method for class 'ff': length(x) <- value
x |
object to query |
value |
new object length |
Length of ff objects can be reduced below maxlength
.
Increasing length beyond maxlength
should be avoided because it triggers clone
.
Integer scalar
Jens Oehlschlägel
maxlength
, poslength
, maxindex
, dim
, virtual
x <- ff(1:12) maxlength(x) length(x) length(x) <- 10 maxlength(x) length(x) length(x) <- 16 maxlength(x) length(x) delete(x) rm(x)