| check_data_consistency | Check Data Consistency Between Two Data Frames | 
| check_data_distribution | Check the data distribution of a data frame | 
| check_data_quality | Check Data Quality | 
| check_data_reliability | Check inter-rater or test-retest reliability between numeric columns | 
| check_data_structure | Check the structure of the data | 
| check_for_negative_values | Check if a data frame contains negative values. | 
| check_missing_values | Check for Missing Values in Data Frame | 
| check_outliers | Check for Outliers or Extreme Values in Data | 
| check_sample_size | Check if sample size is adequate | 
| find.packages | Find R packages that can import a file format | 
| find.packages_path | Find the R Packages to Import a File Format | 
| find_duplicate_cols | Find Duplicate Columns | 
| find_duplicate_rows | Find duplicate rows in a data frame | 
| fix.data | Fix data frame column and row names and remove symbols and blanks | 
| fix_blanks_with_na | Replace blanks with NA in a data frame | 
| fix_column_names | Fix Column Names | 
| fix_col_spaces | Replace spaces in column names with underscores | 
| fix_data_names | Fix row and column names of a data frame | 
| fix_duplicate_cols | Remove duplicate columns from a data frame | 
| fix_duplicate_rows | Remove duplicate rows from a data frame | 
| fix_missing_alphanumeric_values | Fill missing values in alphanumeric columns | 
| fix_missing_numeric_values | fill_missing_numeric_values | 
| fix_outliers | Remove Outliers from a Data Frame | 
| fix_row_names | Fix row names of a data frame | 
| fix_row_spaces | Replace spaces in row names with underscores | 
| fix_special_characters_in_data | Remove Non-Alphanumeric Characters from Data Frame | 
| fix_special_characters_in_names | Remove Special Characters from Data Frame Column and Row Names |