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| jwutil-package | Tools for data manipulation not found elsewhere, and testthat extensions |
| %nin% | inverse of %in% |
| add_time_to_date | convert separate lists of dates and times to POSIXlt objects |
| affixFields | update a set of data frame field names |
| allIsInteger | check whether vector represents all integer values, not that the same as 'is.integer' |
| allIsNumeric | check whether character vector represents all numeric values |
| areIntegers | convert factor or vector to numeric without warnings |
| areNumeric | which elements of a vector are numeric |
| asCharacterNoWarn | convert factor or vector to character without warnings |
| asIntegerNoWarn | convert factor or vector to numeric without warnings |
| asNumericNoWarn | convert factor or vector to numeric without warnings |
| bad_input | bad input data for tests |
| binary_cols | names of fields which are numeric, binary or combinations thereof |
| binary_col_names | names of fields which are numeric, binary or combinations thereof |
| buildLinearFormula | build simple linear formula from variable names |
| combn_subset | all unique combinations of a vector and all its non-zero subsets |
| countIsNa | count NA in vector |
| countNonNaCumulative | running totals of number of non-NA values in consecutive fields |
| countNonNaPairs | count which combinations of fields have at least one non-NA |
| countNotNumeric | count non-numeric elements |
| countNumeric | count numeric elements |
| dput_expect_equal | dput a testthat test |
| dropDuplicateFields | drop duplicate fields |
| dropRowsWithNAField | drops rows with NA values in specified fields |
| expandFactors | Takes factors from a data frame and converts them to true/false fields with appropriately named fields. |
| expect_that_combine_all_args | alternative 'expect_that' from 'testthat' which permutes all the inputs to a function which should give the same result where n args >=2 and the function is commutative. |
| expect_that_combine_first_arg | alternative 'expect_that' from 'testthat' which permutes all the inputs to a function which should give the same result where n args >=2 and the function is commutative. |
| extreme_numbers | extreme numbers |
| factorToDataframeLogical | convert factor into a data.frame of logicals |
| fillMissingCombs | fill out missing combinations of factors with NA |
| filterBetter | filter data with diagnostics |
| flattenList | flatten a list |
| getDropped | get items or numerics that would be dropped in a merge |
| getFactorNames | get names of the factor fields in a data frame |
| getNAFields | get NA field names from data frame |
| getNonFactorNames | get names of the factor fields in a data frame |
| getNonNAFields | get NA field names from data frame |
| invwhich | inverse which |
| is.Date | is the object a 'Date' |
| isFlat | determine whether a list is nested |
| isRowSorted | is every row sorted? |
| isValidTime | check if a time is valid in 24h clock |
| jwutil | Tools for data manipulation not found elsewhere, and testthat extensions |
| listTrim | trim null or empty values from a list |
| listTrimFlat | trim null or empty values from a list |
| logicalToBinary | encode TRUE as 1, and FALSE as 0 (integers) |
| lsf | list all functions in a package |
| lsos | show largest objects |
| lsp | list all items in a package |
| mergeBetter | merge better |
| mergeLists | merge lists by names |
| numbers_to_long_and_float | convert numbers to long and float types |
| numeric_cols | names of fields which are numeric, binary or combinations thereof |
| numeric_col_names | names of fields which are numeric, binary or combinations thereof |
| opt_binary_brute | optimizes a function for all combinations of all subsets |
| permute | generate all permutations of input |
| permuteWithRepeats | generate all permutations of input, reusing values in each result row |
| platformIsLinux | Are we running on Linux, Mac or Windows? |
| platformIsMac | Are we running on Linux, Mac or Windows? |
| platformIsWindows | 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_integers | create extreme random numbers |
| random_test_letters | create extreme random numbers |
| random_test_numbers | create extreme random numbers |
| random_test_posixlt_datetimes | generate random Dates or POSIXlt test datetimes |
| read.zip.url | read file from zip at URL |
| read_xlsx_linux | read '.xlsx' file, interpret as CSV, and return a data frame |
| rm_r | recursive remove |
| set_attr_in_place | Set attribute on any SEXP in place |
| shuffle | shuffle |
| source_purl | extract code from knitr vignette and source it |
| strip | strip all whitespace |
| stripForFormula | strip a string so that it can be used as a variable name in a formula. |
| strMultiMatch | return the actual matches from a bracketed regex |
| strPairMatch | return the actual matches from a bracketed regex |
| trim | strip whitespace from ends of each string in given character vector |
| zeroes | zeroes |
| zero_na | zero NA values in a data.frame |