Description
Checks a data frame's rows, columns, classes and values and key.Usage
check_data1(data, values = NULL, min_row = 0, max_row = max_nrow(),
key = character(0), data_name = substitute(data))
Arguments
data
The data frame to check.
values
A named list specifying the columns and
their associated classes and values.
min_row
A count of the minimum number of rows.
max_row
A count of the maximum number of rows.
key
A character vector of the column names representing the key.
data_name
A string of the name of data.
Value
Throws an informative error or returns an invisible copy of
data.Details
check_data1 enforces minimal contraints.
By default it does not require data to have any rows or columns.
It also allows NULLs in values and does not
require column names in values to be unique. For stricter data checking see check_data2
and check_data3.