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 |
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