applyChangeMeta         Apply Meta Data Changes.
applyLookup             Recode via lookup table.
applyLookup_expandVar   Recode via lookup table into multiple
                        variables.
applyNumCheck           Apply recodes according to a numerical check
                        data.frame.
assimilateValLabels     Assimilate value labels.
autoRecode              Auto recode a variable in a 'GADSdat'.
calculateScale          Calculate a scale.
cbind.GADSdat           Bind two 'GADSdat' objects into a single
                        'GADSdat' object by columns.
changeMissings          Change missing code.
changeSPSSformat        Change SPSS format.
changeValLabels         Change value labels.
changeVarLabels         Change the variable label.
changeVarNames          Change Variable Names.
check4SPSS              Check 'SPSS' Compliance of Meta Data
checkEmptyValLabels     Check Value Labels
checkFormat             Check and Adjust SPSS Format
checkMissings           Check and Adjust Missing Tags
checkTrendStructure     Checks compatibility of two 'eatGADS' data
                        bases.
checkUniqueness         Check uniqueness of a variable.
checkUniqueness2        Check uniqueness of a variable.
checkValue              Check for a specific value
checkVarNames           Check names for 'SQLite' column name
                        conventions.
clean_cache             Clean temporary cache.
cloneVariable           Clone a variable.
collapseColumns         Collapse two columns of a lookup table.
collapseMC_Text         Recode a multiple choice variable according to
                        a character variable.
collapseMultiMC_Text    Recode multiple choice variable with multiple
                        variables.
compareGADS             Compare two GADS.
composeVar              Create a composite variable.
convertCase             Modify upper and lower case for strings.
createGADS              Create an 'eatGADS' data base.
createLookup            Extract values for recoding.
createNumCheck          Create data.frame for specification of
                        numerical plausibility checks.
createVariable          Create a variable.
dummies2char            Transform dummy variables to character
                        variables.
emptyTheseVariables     Set variables to 'NA'.
equalGADS               Test if two 'GADSdat' objects are (nearly)
                        equal
export_tibble           Transform a 'GADSdat' to a 'tibble'
extractData             Extract Data
extractData2            Extract Data 2
extractDataOld          Extract Data while merging linking errors.
extractGADSdat          Extract single 'GADSdat' from 'all_GADSdat'
extractMeta             Get Meta Data
extractVars             Extract or remove variables from a 'GADSdat'.
fac2dummies             Transform a factor variable to dummy variables.
fac2dummies_complex     Transform a complex factor variable to dummy
                        variables.
fillImputations         Fill imputed values.
fixEncoding             Remove special characters.
getChangeMeta           Extract table for Meta Data Changes.
getGADS                 Get data from GADS data base.
getGADS_fast            Get data from GADS data base fast from server
                        directory.
getTrendGADS            Get data for trend reports.
getTrendGADSOld         Get data for trend reports.
import_DF               Import R 'data.frame'
import_RDS              Import 'RDS' file
import_convertLabel     Import an object imported via 'convertLabel'
import_raw              Import R data frame with explicit meta data
                        sheets
import_raw2             Import R data frame with a explicit meta data
                        sheet
import_spss             Import SPSS data
import_stata            Import 'Stata' data
insertVariable          Reorder a single variable in a 'GADSdat'.
inspectDifferences      Inspect differences in a variable.
inspectMetaDifferences
                        Inspect meta data differences in a variable.
labelsGADS              Labels from relational 'eatGADS' data base.
matchValues_varLabels   Match regular expressions and variable names.
merge.GADSdat           Merge two 'GADSdat' objects into a single
                        'GADSdat' object.
mergeLabels             Prepare data and metadata
miss2NA                 Recode Missings to 'NA'
multiChar2fac           Transform one or multiple character variables
                        to factor.
namesGADS               Variables names of a GADS.
orderLike               Order the variables in a 'GADSdat'.
pisa                    PISA Plus Example Data
recode2NA               Recode values to 'NA'.
recodeGADS              Recode a variable.
recodeNA2missing        Recode 'NAs' to Missing.
recodeString2NA         Recode a string to 'NA'.
relocateVariable        Reorder a single variable in a 'GADSdat'.
remove2NAchar           Shorten multiple text variables while giving NA
                        codes.
removeValLabels         Remove value labels.
reuseMeta               Use meta data for variables from another
                        'GADSdat'.
splitGADS               Split 'GADSdat' into hierarchy levels.
stringAsNumeric         Transform string to numeric.
subImputations          Substitute imputed values.
updateMeta              Update meta data.
write_spss              Write a 'GADSdat' object to a file
write_spss2             Write a 'GADSdat' object to 'txt' and 'SPSS'
                        syntax
