vars_in_expression: Extract variable names used in logical expression
In markheckmann/mapster: Mapping data
Description
Usage
Arguments
Value
Examples
Description
The left part of possibly concatenated logical expressions are extracted. Use
is intended for variable names in dataframes. Alphanumerics, dots and
underscores are allowed as variable names.
Usage
1
vars_in_expression(e = .())
Arguments
e
Logical expression as a string or wrappd in plyr::. function.
Value
A character vector containing the variable names.
Examples
1
vars_in_expression(.(a.1==1 & b==2))
markheckmann/mapster documentation built on May 21, 2019, 12:06 p.m.
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Description Usage Arguments Value Examples
Description
The left part of possibly concatenated logical expressions are extracted. Use is intended for variable names in dataframes. Alphanumerics, dots and underscores are allowed as variable names.
Usage
1 | vars_in_expression(e = .())
|
Arguments
e |
Logical expression as a string or wrappd in |
Value
A character vector containing the variable names.
Examples
1 | vars_in_expression(.(a.1==1 & b==2))
|
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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