Description
Checks the names and order of columns in data.Usage
check_cols(data, colnames = NULL, exclusive = FALSE, ordered = FALSE,
data_name = substitute(data))
Arguments
data
The data frame to check.
colnames
A character vector of the column names.
exclusive
A flag indicating whether data can include additional columns.
ordered
A flag indicating whether the order of the columns has to match.
data_name
A string of the name of data.
Value
Throws an informative error or returns an invisible copy of
the data.Details
By default (colnames = NULL) data must include at least one column.
To check for no columns set colnames = character(0).