Package index • omnibus

Data manipulation and properties

appendLists(): Append values to elements of a list from another list

bracket(): Identify values bracketing another value

combineDf(): Combine data frames with different fields using a crosswalk table

compareFloat() `%<%` `%<=%` `%==%` `%>=%` `%>%` `%!=%`: Compare values to floating-point precision

corner(): Corner of a matrix or data frame

convertUnits(): Convert length or areal units

conversionFactors: Data frame or conversion factors for length or areal units

cull(): Force objects to have length or rows equal to the shortest

expandUnits(): Convert unit abbreviations to proper unit names

insert(): Insert values into a vector

insertCol() insertRow(): Insert a column or row into a data frame or matrix

maxRuns(): Maximum number of continuous "runs" of values meeting a particular condition

mirror(): Flip an object

mmode(): Modal value(s)

mergeLists(): Merge two lists with precedence

notIn() `%notin%`: Opposite of '%in%'

renameCol(): Rename columns

renumSeq(): Renumber a sequence of numbers

rotateMatrix(): Rotate values in a matrix

roundTo(): Round to nearest target value

rowColIndexing(): Convert between row- and column-style indexing of matrices

runifMatrix(): Matrix of random values, possibly with standardization by row or column

screenRes(): Find screen resolution

side(): Left/right side of a data frame or matrix

stretchMinMax(): Rescale values

unlistRecursive(): For any object in a list that is also a list, unlist it

unragMatrix(): Turn a "ragged" matrix into a "ragged" vector

Dates

domLeap: Day of month for leap years

domNonLeap: Day of month for non-leap years

doyLeap: Day of year for leap years

doyNonLeap: Days of year for non-leap years

isLeapYear(): Is a year a leap year?

yearFromDate(): Year from date formats that are possibly ambiguous

Geometry

pairDist(): Calculate pairwise distances between two matrices or data frames.

quadArea(): Area of a quadrilateral

Handling `NA`s

compareFloat() `%<%` `%<=%` `%==%` `%>=%` `%>%` `%!=%`: Compare values to floating-point precision

naCompare() `%<na%` `%<=na%` `%==na%` `%!=na%` `%>na%` `%>=na%`: Compare values using <, <=, >, >=, !=, and == (robust to NAs)

notIn() `%notin%`: Opposite of '%in%'

isTRUENA() isFALSENA(): Vectorized test for truth robust to NA

naOmitMulti(): Remove NAs from one or more equal-length vectors

naRows(): Index of rows in a data frame or matrix that contain at least one NA

Data properties

countDecDigits(): Number of digits after a decimal place

longRun(): Length of the longest run of a particular value in a numeric vector

is.wholeNumber(): Test if a numeric value is a whole number

roundedSigDigits(): Number of significant digits in rounded numbers

which.pmax() which.pmin(): Which vector has maximum value at each element

System

dirCreate(): Replacement for dir.create()

eps(): The smallest machine-readable number

listFiles(): Replacement for list.files()

memUse(): Size of objects taking most memory use

Text

capIt(): Capitalize first letter of a string

forwardSlash(): Replace backslash with forward slash

pmatchSafe(): Partial matching of strings with error checking

prefix(): Add leading characters to a string

rstring(): Make a nearly-guaranteed unique string

say(): Nicer version of print() or cat() function