| add_time_to_date | convert separate lists of dates and times to POSIXlt objects |
| affixFields | update a set of data frame field names |
| as_char_no_warn | convert to character vector without warning |
| as_numeric_nowarn | convert factor or vector to numeric without warnings |
| bad_input | bad input data for tests |
| bang_dollar | Get the first/only argument of the last run command |
| binary_col_names | names of fields which are numeric, binary or combinations... |
| build_formula | build simple linear formula from variable names |
| combn_subset | all unique combinations of a vector and all its non-zero... |
| countIsNa | count NA in vector |
| countNonNaCumulative | running totals of number of non-NA values in consecutive... |
| countNotNumeric | count non-numeric elements |
| countNumeric | count numeric elements |
| dput_expect_equal | dput a testthat test |
| drop_duplicate_fields | Drop fields with duplicate data |
| drop_rows_with_na | drops rows with NA values in specified fields |
| eine | %in%/match equivalent for two 'environment' arguments |
| env_to_vec_flip | return a new environment with names and values swapped |
| expect_that_combine_all_args | alternative 'expect_that' from 'testthat' which permutes all... |
| extreme_numbers | extreme numbers |
| factor_nosort | Fast Factor Generation |
| factor_to_df | Convert factor into a data.frame of logicals |
| fastIntToString | Fast convert integer vector to character vector |
| fastIntToStringRcpp | Convert integers to strings as quickly as possible |
| fillMissingCombs | fill out missing combinations of factors with NA |
| filter_better | filter data with diagnostics |
| fix_na_ish | Fix NA-like strings to be NA (or other value of choice) |
| flattenList | flatten a list |
| getDropped | get items or numerics that would be dropped in a merge |
| get_factor_fields | get names of the factor fields in a data frame |
| get_na_fields | get NA field names from data frame |
| get_non_ASCII | mimic the 'R CMD check' test |
| get_numeric_char_field_names | Find columns which are numeric |
| grapes-nin-grapes | inverse of %in% |
| invwhich | inverse which |
| is.Date | is the object a 'Date' |
| isFlat | determine whether a list is nested |
| is_na_ish | Determine whether a value is, or should be, 'NA' |
| is_numeric_str | Which elements of a character vector are numeric |
| isRowSorted | is every row sorted? |
| isValidTime | check if a time is valid in 24h clock |
| jw_df_basics | minimal basic pre-processing metrics |
| jw_scan_build | Build with current Makevars, but with clang scan-build static... |
| jwutil-package | Tools for testing and data manipulation not found elsewhere |
| list_named | Make a list using input argument names as names |
| listTrim | trim null or empty values from a list |
| listTrimFlat | trim null or empty values from a list |
| logical_to_binary | Convert logical columns of data frame to 0s and 1s |
| lsf | list all functions in a package |
| ls.objects | Summarize objects |
| lsos | show largest objects |
| lsp | List all items in a package |
| match_multi | Match across columns for multiple lookup values |
| merge_better | Merge better |
| mergeLists | merge lists by names |
| min_r_version | Find minimum R version required for package |
| npc | Print integers with percentage of total rounded to integer |
| numbers_to_long_and_float | convert numbers to long and float types |
| opt_binary_brute | selects columns from a data frame using an optimization... |
| percentize | Convert a number into rounded integer percentage string |
| percent_signif | Return percentage string to given significant figures |
| permute | Generate all permutations of input |
| permuteWithRepeats | Generate all permutations of input, reusing values in each... |
| pgo_bench | Compile and test package with and without profile guided... |
| platformIsLinux | Are we running on Linux, Mac or Windows? |
| propIsNa | Proportion of NA values in a vector |
| propNaPerField | return proportion of NA values per field |
| propRowSorted | proportion of non-descending rows in matrix |
| random_test_dates | generate random Dates or POSIXlt test datetimes |
| random_test_numbers | create extreme random numbers |
| read_xlsx_linux | read '.xlsx' file, interpret as CSV, and return a data frame |
| read_zip_url | read file from zip at URL |
| reqinst | Load packages with 'library', installing any which are... |
| rm_r | recursive remove |
| save_in_data_dir | Save given variable in package data directory |
| shuffle | Shuffle a vector |
| sort_clip_char | Take clipboard contents, and write sorted character vector... |
| source_purl | Extract code from knitr vignette and source it |
| str_extract | 'stringr' does this, but here we have a small amount of base... |
| strip | strip all whitespace |
| strip_for_formula | strip a string so that it can be used as a variable name in a... |
| str_match_all | return all matches for regular expression |
| str_multi_match | return the actual matches from a bracketed regex |
| str_pair_match | Match pairs of strings to get named vector |
| trim | strip whitespace from ends of each string in given character... |
| two_cat_to_logical | Take dataframe, and convert any columns with just two... |
| unzip_single | unzip a single file from URL |
| unzip_to_data_raw | Unzip file to 'data-raw' |
| update_github_pkgs | Update github_install packages |
| vec_to_env_true | create environment from vector |
| zeroes | zeroes |
| zero_na | Zero NA values in a data.frame |
