replyr_testCols: Run test on columns.
In WinVector/replyr: Patches to Use 'dplyr' on Remote Data Sources
Description
Usage
Arguments
Value
Examples
Description
Applies user function to head of each column. Good for determing things
such as column class.
Usage
1
replyr_testCols(x, f, n = 6L)
Arguments
x
tbl or item that can be coerced into such.
f
test function (returning logical, not depending on data length).
n
number of rows to use in calculation.
Value
logical vector of results.
Examples
1
2
d <- data.frame(x=c(1,2),y=c('a','b'))
replyr_testCols(d,is.numeric)
WinVector/replyr documentation built on Oct. 22, 2020, 8:07 p.m.
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Description Usage Arguments Value Examples
Description
Applies user function to head of each column. Good for determing things such as column class.
Usage
1 | replyr_testCols(x, f, n = 6L)
|
Arguments
x |
tbl or item that can be coerced into such. |
f |
test function (returning logical, not depending on data length). |
n |
number of rows to use in calculation. |
Value
logical vector of results.
Examples
1 2 | d <- data.frame(x=c(1,2),y=c('a','b'))
replyr_testCols(d,is.numeric)
|
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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