upgradevmode: Upgrade vmode of ff column while stacking
In Stack: Stylized concatenation of data.frames or ffdfs
Description
Similar to aux function coerce_to_highest_vmode in
ffbase, except this does range/unique values checking
rather than simple type checking.
Usage
1
.upgradevmode(x, y, use.na = TRUE)
Arguments
x
ff
y
ff or vector
use.na
require a vmode that supports NAs?
default=TRUE
Stack documentation built on May 2, 2019, 2:38 a.m.
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Description
Similar to aux function coerce_to_highest_vmode in
ffbase, except this does range/unique values checking
rather than simple type checking.
Usage
1 | .upgradevmode(x, y, use.na = TRUE)
|
Arguments
x |
ff |
y |
ff or vector |
use.na |
require a vmode that supports NAs? default=TRUE |
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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