| applyChangeMeta | Apply Meta Data Changes. |
| applyChangeMeta.valChanges | Apply Meta Data Changes. |
| applyChangeMeta.varChanges | 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 |
| checkMissingsByValues | Check and Adjust Missing Tags |
| checkMissingValLabels | Check Value Labels |
| 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. |
| convertCase.GADSdat | 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_convertLabel | Import an object imported via 'convertLabel' |
| import_DF | Import R 'data.frame' |
| import_raw | Import R data frame with explicit meta data sheets |
| import_raw2 | Import R data frame with a explicit meta data sheet |
| import_RDS | Import 'RDS' file |
| import_spss | Import SPSS data |
| import_stata | Import 'Stata' data |
| import_tibble | Import 'tibble' |
| 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. |
| removeEmptyValLabels | Remove unused value labels and missing tags. |
| removeValLabels | Remove value labels. |
| removeVars | Extract or remove variables from a 'GADSdat'. |
| 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 |
| write_stata | Write a 'GADSdat' object to a file |