| add_empty_rows | Append empty rows to a dataframe to make row number a target... |
| add_wmy | Add week, weekday, month, year columns based on datetime... |
| any_dups | Output summary of duplicated rows by given keys |
| cap_str | Capitalize the first letter of each word in the string |
| clean_by_id | Remove rows where id columns are all missing, and rows where... |
| clear_dir | given a directory, delete files given the regex pattern... |
| coalesce_join | Coalescence join lhs x and rhs y data frames, for each... |
| contain_value | examine if a data holder contains 'value' in a pre-defined... |
| conv_chr_to_fct | convert all columns of character type to factor type |
| conv_fct_to_chr | convert all columns of factor type to character type |
| copy_unique | Copy unique values to clipboard. |
| corr_to_df | Filter high corr features and output in tidy format |
| count_lines | Count number of lines without using read_csv |
| days_to_date | Use number of days past 1970-01-01 to indicate date |
| decode_col | Sister func to encode_col returns a data frame with original... |
| decrypt | A wrapper function to decrypt file using a key |
| df_to_txt | Convert dataframe to text output |
| encode_col | Replace column names with alpha-numeric sequences, returns a... |
| encrypt | A wrapper function to encrypt file using a key |
| ff_quantile | Function factory to create nth quantile function |
| file.copy.content.only | copy files to another directory |
| fill_cols | find columns that has at minimum 'th' number of non-NA values... |
| fill_map | a wrapper function to 'gstat::gstat' function to use a... |
| fill_missing_as_na | Identify missing pattern or 'NA' and replace with NAs |
| format_datetime | Format datetime columns to a specified format |
| format_num | Format numbers to limit digits after decimal point |
| format_to_percentage | Convert integer/floating point number format to percentage... |
| fread2 | wrapper function to data.table::fread to convert blank cells... |
| from_excel | Wrapper function for convenient copy from Excel into a data... |
| gen_key | A wrapper function for sodium::keygen to generate, convert... |
| get_dir_size | get directory size |
| get_id | get id from encoded obj, sister func to encode_col, retrieve... |
| get_mode | Get the mode of a vector |
| get_name | get names of encoded obj, sister func to encode_col, retrieve... |
| hclust_wss | Hiearchical clustering with for within cluster SSs screeplot... |
| headtail | A quick glance into a dataframe combining n head and tail... |
| insert_nas | Insert(inject) NAs as replacement randomly to a data |
| insp_dir | Perform a non intrusive inspection of a given directory and... |
| is_fct_or_chr | check if is factor or character |
| lapply_preserve_names | lapply wrapper but preserve object names as the name suggests |
| list_dir_sizes | list directory sizes |
| list_files_fwd_slash | wrapper function list.files to allow coppied windows path... |
| load_csv | A custom way to load CSV files |
| load_files | load files paths in specified location |
| map_preserve_names | map but preserve object names |
| map_preserve_names_use_future | map but preserve object names, use future to add parallel... |
| missing_as_na | Sister func to na_as_missing, replace cells with NAs if match... |
| model_lm | Run lm model and print a curated summary output |
| move_left | Move column or columns to far left hand side of a dataframe |
| multi_join | Wrapper function to coalesce_join, join together a list of... |
| multiplot | list of ggplot objects into one plot |
| na_as_missing | Identify NAs and empty cells that fit a pattern and replace |
| open_encrypted | A wrapper function for the workflow of decrypt, source and... |
| plot_boxplot | Boxplot with confidence intervals and summary statistics such... |
| puff_my_df | Artificially increase the number of rows to make up any... |
| remove_duplicates | Remove duplicated rows of the original data frame, or a... |
| remove_empty_rows | Remove row(s) if all values are NAs |
| remove_high_corr_features | Wrapper function of caret::findCorrelation: find and remove... |
| rm_dup_cols_in_a_list | Taken a list of data frames, check each column and remove... |
| rm_dups_w_less_data | Remove duplicated rows by leaving only 1 observation per each... |
| rm_na | Remove NAs given a vector |
| rm_single_unique_col | Remove column(s) that contain a single unique value |
| save_csv | A custom way to output CSV files |
| save_csv_from_a_list | A wrapper function of save_csv that applies to a list of data... |
| secs_to_date | Convert numerically converted format POSIXct time back to... |
| str_find | wrapper function for locate a string based on regex leading... |
| subset_by_quantile | Filter column by removing points beyond top and(or) bottom... |
| sum_col | Summarize a data frame with concise and useful summary... |
| sum_df | Sister function to sum_col and sum_row, returns a list of... |
| sum_missing | Summary statistics of top n missing value columns |
| sum_row | Generate row-wise summary for missing and unique values |
| sum_table | Given 2 columns, summarize counts of each unique value-pair... |
| trim_ws | Remove leading and trailing white spaces |
| trim_ws_df | Remove leading and trailing whitespaces that are within any... |
| unique_row | Extract unique rows combinations and show row counts |
| write_fwf | via @haozhu233 (on GitHub) write fixed width format text file |
