addLeadingZerosToCharInt
                        Add leading zeros to all columns that can be
                        identified as integers in a character
                        data.frame
asNumericIfPossible     Convert a Vector, Matrix or Data Frame Into
                        Numeric Values If Possible
catch_asNumericIfPossible
                        Use 'asNumericIfPossible' with modified
                        warning.
contr.wec.weighted      Calculates contrasts for a weighted factor
                        variable based on weighted effect coding
crop                    Remove Trailing and Leading Characters From
                        Character Strings
descr                   Descriptive statistics for one or several
                        variables
do_call_rbind_withName
                        Row bind a list while assigning names to rows
eatTools-package        eatTools: Miscellaneous Functions for the
                        Analysis of Educational Assessments
existsBackgroundVariables
                        Internally needed function for consistency
                        checks and data preparation.
facToChar               Transform columns in a data frame
gsubAll                 Pattern matching and replacement
halveString             Split string exactly in two parts
insert.col              Insert Columns into a Data Frame in a Specific
                        Position
makeDataFrame           Converts 'tbl' or 'data.table' objects to plain
                        'data.frames' for internal processing
mergeAttr               Merge Two Data Frames with additional messages
                        and maintain variable attributes
multiseq                multiple sequences
na_omit_selection       Drop rows containing missing values
num.to.cat              Transform continuous variables into ordered
                        factors
print_and_capture       Easy integration of (small) tables into (error)
                        messages
pwc                     Part-whole correlation for numeric data frames
rbind_common            Combine data.frames by row, using only common
                        columns.
readMultisep            Read in data.frames with separator characters
                        >=1Byte
recodeLookup            Recode a variable according to a lookup table
removeNonNumeric        Removes all non-numeric characters from a
                        string.
removeNumeric           Removes alphanumeric characters from a string.
removePattern           Removes a specified pattern from a string.
roundDF                 Round a 'data.frame'.
set.col.type            Set the Class of Columns in a Data Frame
tablePattern            Creates skeleton for frequency tables with
                        desired values
tableUnlist             Frequency table for data frames, e.g. across
                        multiple columns
whereAre                Matches a scalar with elements of a vector.
wideToLong              Transform wide format data sets into the long
                        format necessary for eatRep analyses
wtdTable                Computed weighted frequency tables
wtdVar                  Computed weighted variance
