length.ffdf: Getting length of a ffdf dataframe
In ff: Memory-Efficient Storage of Large Data on Disk and Fast Access Functions
length.ffdf R Documentation
Getting length of a ffdf dataframe
Description
Getting "length" (number of columns) of a ffdf dataframe
Usage
## S3 method for class 'ffdf'
length(x)
Arguments
x
an ffdf object
Value
integer number of columns
Author(s)
Jens Oehlschlägel
See Also
dim.ffdf, length.ff, ffdf
Examples
length(as.ffdf(data.frame(a=1:26, b=letters, stringsAsFactors = TRUE)))
gc()
ff documentation built on Feb. 16, 2023, 7:48 p.m.
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| length.ffdf | R Documentation |
Getting length of a ffdf dataframe
Description
Getting "length" (number of columns) of a ffdf dataframe
Usage
## S3 method for class 'ffdf' length(x)
Arguments
x |
an |
Value
integer number of columns
Author(s)
Jens Oehlschlägel
See Also
dim.ffdf, length.ff, ffdf
Examples
length(as.ffdf(data.frame(a=1:26, b=letters, stringsAsFactors = TRUE))) gc()
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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