assert_cols: Assert That a Data Frame Selection Matches the Specified Type...
In jesse-smith/coviData: COVID-19 Data Munging Tools for the Shelby County Health Department
assert_cols R Documentation
Assert That a Data Frame Selection Matches the Specified Type and Length
Description
assert_cols() checks whether columns selected using ... match the given
prototype and/or number of columns. If so, it returns the data frame;
otherwise, it throws an error.
Usage
assert_cols(.data, ..., ptype = NULL, n = NULL)
Arguments
.data
A data frame or data frame extension (e.g. a tibble)
...
<tidy-select> One or more selection specifications for a set of
columns in the dataframe
ptype
The prototype that the selected columns should match
n
The number of columns that should be selected
Value
The input object, .data
jesse-smith/coviData documentation built on Jan. 14, 2023, 11:08 a.m.
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| assert_cols | R Documentation |
Assert That a Data Frame Selection Matches the Specified Type and Length
Description
assert_cols() checks whether columns selected using ... match the given
prototype and/or number of columns. If so, it returns the data frame;
otherwise, it throws an error.
Usage
assert_cols(.data, ..., ptype = NULL, n = NULL)
Arguments
.data |
A data frame or data frame extension (e.g. a |
... |
|
ptype |
The prototype that the selected columns should match |
n |
The number of columns that should be selected |
Value
The input object, .data
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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