incorrect_date_sequence
To display rows with the incorrect date
sequences
colnames
To display the column names before and after
cleaning
converted_into_numeric
To display the names of the columns that
that have been converted into numeric
date_standardization
To display rows in the cleaned data with
date values that are outside of the specified time frame, and rows
with date values that comply with multiple formats
misspelled_values
To display the detected misspelled values
removed_duplicates
To display the duplicated rows that have
been removed
found_duplicates
To display the duplicated rows
constant_data
To display the constant data i.e. constant
columns, empty rows and columns
missing_values_replaced_at
To display the names of the columns
where the missing value strings have been replaced with NA
incorrect_subject_id
To display the missing, duplicated and
invalid subject subject IDs