Miscellaneous Helper Functions for B. Bischl

Documentation for package ‘BBmisc’ version 1.13

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-- A --

addClasses	A wrapper to add to the class attribute.
argsAsNamedList	Parses '...' arguments to a named list.
asMatrixCols	Extracts a named element from a list of lists.
asMatrixRows	Extracts a named element from a list of lists.
asQuoted	Converts a string into a quoted expression.

-- B --

Simple bin packing.

-- C --

capitalizeStrings	Capitalize strings in a vector
catf	Wrapper for cat and sprintf.
cFactor	Combine multiple factors and return a factor.
checkArg	Check for a function argument.
checkListElementClass	Check that a list contains only elements of a required type.
chunk	Chunk elements of vectors into blocks of nearly equal size.
clipString	Shortens strings to a given length.
coalesce	Returns first non-missing, non-null argument.
collapse	Collapse vector to string.
collapsef	Collapse vector to string.
computeMode	Compute statistical mode of a vector (value that occurs most frequently).
convertColsToList	Convert rows (columns) of data.frame or matrix to lists.
convertDataFrameCols	Converts columns in a data frame to characters, factors or numerics.
convertDfCols	Deprecated function. Do not use!
convertInteger	Conversion for single integer.
convertIntegers	Conversion for integer vector.
convertListOfRowsToDataFrame	Convert a list of row-vector of equal structure to a data.frame.
convertMatrixType	Converts storage type of a matrix.
convertRowsToList	Convert rows (columns) of data.frame or matrix to lists.
convertToShortString	Converts any R object to a descriptive string so it can be used in messages.

-- D --

dapply	Call 'lapply' on an object and return a data.frame.
deprecated	Deprecated function. Do not use!
do.call2	Execute a function call similar to 'do.call'.
dropNamed	Drop named elements of an object.

-- E --

ensureVector	Blow up single scalars / objects to vectors / list by replication.
explode	Split up a string into substrings.
extractSubList	Extracts a named element from a list of lists.

-- F --

Filter a list for NULL values

-- G --

getAttributeNames	Helper function for determining the vector of attribute names of a given object.
getBestIndex	Return index of maximal/minimal/best element in numerical vector.
getClass1	Wrapper for 'class(x)[1]'.
getFirst	Get the first/last element of a list/vector.
getLast	Get the first/last element of a list/vector.
getMaxIndex	Return index of maximal/minimal/best element in numerical vector.
getMaxIndexOfCols	Find row- or columnwise the index of the maximal / minimal element in a matrix.
getMaxIndexOfRows	Find row- or columnwise the index of the maximal / minimal element in a matrix.
getMinIndex	Return index of maximal/minimal/best element in numerical vector.
getMinIndexOfCols	Find row- or columnwise the index of the maximal / minimal element in a matrix.
getMinIndexOfRows	Find row- or columnwise the index of the maximal / minimal element in a matrix.
getOperatingSystem	Functions to determine the operating system.
getRelativePath	Construct a path relative to another
getUnixTime	Current time in seconds.
getUsedFactorLevels	Determines used factor levels.

-- H --

Check if given object has certain attributes.

-- I --

insert	Insert elements from one list/vector into another list/vector.
is.error	Is return value of try an exception?
isDarwin	Functions to determine the operating system.
isDirectory	Is one / are several files a directory?
isEmptyDirectory	Is one / are several directories empty?
isExpensiveExampleOk	Conditional checking for expensive examples.
isFALSE	A wrapper for 'identical(x, FALSE)'.
isLinux	Functions to determine the operating system.
isProperlyNamed	Are all elements of a list / vector uniquely named?
isScalarCharacter	Is given argument an atomic vector or factor of length 1?
isScalarComplex	Is given argument an atomic vector or factor of length 1?
isScalarFactor	Is given argument an atomic vector or factor of length 1?
isScalarInteger	Is given argument an atomic vector or factor of length 1?
isScalarLogical	Is given argument an atomic vector or factor of length 1?
isScalarNA	Checks whether an object is a scalar NA value.
isScalarNumeric	Is given argument an atomic vector or factor of length 1?
isScalarValue	Is given argument an atomic vector or factor of length 1?
isSubset	Check subset relation on two vectors.
isSuperset	Check superset relation on two vectors.
isUnix	Functions to determine the operating system.
isValidName	Can some strings be used for column or list element names without problems?
isWindows	Functions to determine the operating system.
itostr	Convert Integers to Strings

-- L --

lib	A wrapper for 'library'.
listToShortString	Deprecated function. Do not use!
load2	Load RData file and return objects in it.
lsort	A wrapper for 'sort' to sort using the "C" collating rules.

-- M --

makeDataFrame	Initialize data.frame in a convenient way.
makeFileCache	A caching wrapper around load2.
makeProgressBar	Create a progress bar with estimated time.
makeS3Obj	Simple constructor for S3 objects based on lists.
makeSimpleFileLogger	Simple logger which outputs to a file.
mapValues	Replace values in atomic vectors
messagef	Wrapper for message and sprintf.

-- N --

namedList	Create named list, possibly initialized with a certain element.
names2	Replacement for names which always returns a vector.
normalize	Normalizes numeric data to a given scale.

-- O --

Naive multi-start version of 'optimize' for global optimization.

-- P --

pause	Pause in interactive mode and continue on <Enter>.
printHead	More meaningful 'head(df)' output.
printStrToChar	Print 'str(x)' of an object to a string / character vector.
printToChar	Prints object to a string / character vector.
ProgressBar	Create a progress bar with estimated time.

-- R --

rangeVal	Calculate range statistic.
requirePackages	Require some packages.
rowLapply	Apply function to rows of a data frame.
rowSapply	Apply function to rows of a data frame.

-- S --

save2	Save multiple objects to a file.
seq_col	Generate sequences along rows or cols.
seq_row	Generate sequences along rows or cols.
setAttribute	A wrapper for 'attr(x, which) = y'.
setClasses	A wrapper for 'class(x) = classes'.
setColNames	Wrapper for 'rownames(x) = y', 'colnames(x) = y'.
setRowNames	Wrapper for 'rownames(x) = y', 'colnames(x) = y'.
setValue	Set a list element to a new value.
SimpleFileLogger	Simple logger which outputs to a file.
sortByCol	Sort the rows of a data.frame according to one or more columns.
splitPath	Split a path into components
splitTime	Split seconds into handy chunks of time.
stopf	Wrapper for stop and sprintf.
strrepeat	Repeat and join a string
suppressAll	Suppresses all output except for errors.
symdiff	Calculates symmetric set difference between two sets.
system3	Wrapper for system2 with better return type and errorhandling.

-- T --

Convert a numerical vector into a range string.

-- V --

vcapply	Apply a function with a predefined return value
viapply	Apply a function with a predefined return value
vlapply	Apply a function with a predefined return value
vnapply	Apply a function with a predefined return value

-- W --

warningf	Wrapper for warning and sprintf.
which.first	Find the index of first/last 'TRUE' value in a logical vector.
which.last	Find the index of first/last 'TRUE' value in a logical vector.

-- misc --

%btwn%	Check if some values are covered by the range of the values in a second vector.
%nin%	Simply a negated 'in' operator.