Description Usage Arguments Details Value
Checks a data frame's rows, columns, classes and values and key.
1 2 | check_data1(data, values = NULL, min_row = 0, max_row = max_nrow(),
key = character(0), data_name = substitute(data))
|
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. |
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
.
Throws an informative error or returns an invisible copy of data.
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