dataFrame
From R.utils v1.7.5
by Henrik Bengtsson
Allocates a data frame with given column classes
Allocates a data frame with given column classes.
Usage
## S3 method for class 'default':
dataFrame(colClasses, nrow=1, ...)
Arguments
- colClasses
- A
character
vector
of column classes, cf.read.table
. - nrow
- An
integer
specifying the number of rows of the allocated data frame. - ...
- Not used.
Value
- Returns an NxK
data.frame
where N equalsnrow
and K equalslength(colClasses)
.
See Also
Examples
df <- dataFrame(colClasses=c(a="integer", b="double"), nrow=10)
df[,1] <- sample(1:nrow(df))
df[,2] <- rnorm(nrow(df))
print(df)
Community examples
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