get_unknown_values: Get unknown attribute values
| get_unknown_values | R Documentation |
Get unknown attribute values
Description
Obtain the instances that have an empty or unknown value in any given attribute. If no attribute is given, all are considered.
Usage
get_unknown_values(ft, attributes, col_as_vector)
## S3 method for class 'flat_table'
get_unknown_values(ft, attributes = NULL, col_as_vector = NULL)
Arguments
ft |
A |
attributes |
A vector of strings, attribute names. |
col_as_vector |
A string, name of the column to include a vector of values. |
Details
If a name is indicated in the col_as_vector parameter, it includes a column
with the data in vector form to be used in other functions.
Value
A tibble with unknown values in instances.
See Also
star_database
Other flat table definition functions:
as_star_database(),
flat_table(),
get_table(),
get_unknown_value_defined(),
read_flat_table_file(),
read_flat_table_folder()
Examples
iris2 <- iris
iris2[10, 'Species'] <- NA
instances <- flat_table('iris', iris2) |>
get_unknown_values()
