| Check if some values are covered by the range of the values in a second vector | %btwn% |
| Simply a negated 'in' operator | %nin% |
| A wrapper to add to the class attribute | addClasses |
| Parses '...' arguments to a named list | argsAsNamedList |
| Extracts a named element from a list of lists | asMatrixCols asMatrixRows |
| Converts a string into a quoted expression | asQuoted |
| Simple bin packing | binPack |
| Capitalize strings in a vector | capitalizeStrings |
| Wrapper for cat and sprintf | catf |
| Combine multiple factors and return a factor | cFactor |
| Check for a function argument | checkArg |
| Check that a list contains only elements of a required type | checkListElementClass |
| Chunk elements of vectors into blocks of nearly equal size | chunk |
| Shortens strings to a given length | clipString |
| Returns first non-missing, non-null argument | coalesce |
| Collapse vector to string | collapse |
| Collapse vector to string | collapsef |
| Compute statistical mode of a vector (value that occurs most frequently) | computeMode |
| Converts columns in a data frame to characters, factors or numerics | convertDataFrameCols |
| Conversion for single integer | convertInteger |
| Conversion for integer vector | convertIntegers |
| Convert a list of row-vector of equal structure to a data.frame | convertListOfRowsToDataFrame |
| Converts storage type of a matrix | convertMatrixType |
| Convert rows (columns) of data.frame or matrix to lists | convertColsToList convertRowsToList |
| Converts any R object to a descriptive string so it can be used in messages | convertToShortString |
| Call 'lapply' on an object and return a data.frame | dapply |
| Deprecated function. Do not use! | convertDfCols deprecated listToShortString |
| Execute a function call similar to 'do.call' | do.call2 |
| Drop named elements of an object | dropNamed |
| Blow up single scalars / objects to vectors / list by replication | ensureVector |
| Split up a string into substrings | explode |
| Extracts a named element from a list of lists | extractSubList |
| Filter a list for NULL values | filterNull |
| Helper function for determining the vector of attribute names of a given object | getAttributeNames |
| Wrapper for 'class(x)[1]' | getClass1 |
| Get the first/last element of a list/vector | getFirst getLast |
| Return index of maximal/minimal/best element in numerical vector | getBestIndex getMaxIndex getMinIndex |
| Find row- or columnwise the index of the maximal / minimal element in a matrix | getMaxIndexOfCols getMaxIndexOfRows getMinIndexOfCols getMinIndexOfRows |
| Functions to determine the operating system | getOperatingSystem isDarwin isLinux isUnix isWindows |
| Construct a path relative to another | getRelativePath |
| Current time in seconds | getUnixTime |
| Determines used factor levels | getUsedFactorLevels |
| Check if given object has certain attributes | hasAttributes |
| Insert elements from one list/vector into another list/vector | insert |
| Is return value of try an exception? | is.error |
| Is one / are several files a directory? | isDirectory |
| Is one / are several directories empty? | isEmptyDirectory |
| Conditional checking for expensive examples | isExpensiveExampleOk |
| A wrapper for 'identical(x, FALSE)' | isFALSE |
| Are all elements of a list / vector uniquely named? | isProperlyNamed |
| Checks whether an object is a scalar NA value | isScalarNA |
| Is given argument an atomic vector or factor of length 1? | isScalarCharacter isScalarComplex isScalarFactor isScalarInteger isScalarLogical isScalarNumeric isScalarValue |
| Check subset relation on two vectors | isSubset |
| Check superset relation on two vectors | isSuperset |
| Can some strings be used for column or list element names without problems? | isValidName |
| Convert Integers to Strings | itostr |
| A wrapper for 'library' | lib |
| Load RData file and return objects in it | load2 |
| A wrapper for 'sort' to sort using the "C" collating rules | lsort |
| Initialize data.frame in a convenient way | makeDataFrame |
| A caching wrapper around load2 | makeFileCache |
| Create a progress bar with estimated time | makeProgressBar ProgressBar |
| Simple constructor for S3 objects based on lists | makeS3Obj |
| Simple logger which outputs to a file | makeSimpleFileLogger SimpleFileLogger |
| Replace values in atomic vectors | mapValues |
| Wrapper for message and sprintf | messagef |
| Create named list, possibly initialized with a certain element | namedList |
| Replacement for names which always returns a vector | names2 |
| Normalizes numeric data to a given scale | normalize |
| Naive multi-start version of 'optimize' for global optimization | optimizeSubInts |
| Pause in interactive mode and continue on <Enter>. | pause |
| More meaningful 'head(df)' output | printHead |
| Print 'str(x)' of an object to a string / character vector | printStrToChar |
| Prints object to a string / character vector | printToChar |
| Calculate range statistic | rangeVal |
| Require some packages | requirePackages |
| Apply function to rows of a data frame | rowLapply rowSapply |
| Save multiple objects to a file | save2 |
| Generate sequences along rows or cols | seq_col seq_row |
| A wrapper for 'attr(x, which) = y' | setAttribute |
| A wrapper for 'class(x) = classes' | setClasses |
| Wrapper for 'rownames(x) = y', 'colnames(x) = y' | setColNames setRowNames |
| Set a list element to a new value | setValue |
| Sort the rows of a data.frame according to one or more columns | sortByCol |
| Split a path into components | splitPath |
| Split seconds into handy chunks of time | splitTime |
| Wrapper for stop and sprintf | stopf |
| Repeat and join a string | strrepeat |
| Suppresses all output except for errors | suppressAll |
| Calculates symmetric set difference between two sets | symdiff |
| Wrapper for system2 with better return type and errorhandling | system3 |
| Convert a numerical vector into a range string | toRangeStr |
| Apply a function with a predefined return value | vcapply viapply vlapply vnapply |
| Wrapper for warning and sprintf | warningf |
| Find the index of first/last 'TRUE' value in a logical vector | which.first which.last |
