# Ex Post Survey Data Harmonization

## Documentation for package ‘retroharmonize’ version 0.2.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

as_character | Labelled vectors for multiple SPSS surveys
as_factor | Convert labelled_spss_survey vector To Factor
as_labelled_spss_survey | Labelled to labelled_spss_survey
as_numeric | Labelled vectors for multiple SPSS surveys
codebook_waves_create | Create a codebook
collect_na_labels | Collect labels from metadata file
collect_val_labels | Collect labels from metadata file
concatenate | Concatenate haven_labelled_spss vectors
create_codebook | Create a codebook
document_survey_item | Document survey item harmonization
document_waves | Document survey lists
harmonize_na_values | Harmonize na_values in haven_labelled_spss
harmonize_values | Harmonize the values and labels of labelled vectors
harmonize_var_names | Harmonize the variable names of surveys
harmonize_waves | Harmonize waves
is.labelled_spss_survey | Labelled vectors for multiple SPSS surveys
is.na_range_to_values | Harmonize user-defined missing value ranges
is.survey | Survey data frame
labelled_spss_survey | Labelled vectors for multiple SPSS surveys
label_normalize | Normalize value and variable labels
merge_waves | Merge waves
metadata_create | Create a metadata table
metadata_waves_create | Create a metadata table
na_range_to_values | Harmonize user-defined missing value ranges
pull_survey | Pull a survey from a survey list
read_dta | Read Stata DTA files ('.dta') files
read_rds | Read survey from rds file
read_spss | Read SPSS ('.sav', '.zsav', '.por') files. Write '.sav' and '.zsav' files.
read_surveys | Read Survey Files
retroharmonize | retroharmonize: Retrospective harmonization of survey data files
subset_save_surveys | Subset and Save Surveys
subset_waves | Subset all surveys in a wave
suggest_permanent_names | Suggest permanent names
suggest_var_names | Suggest variable names
summary.survey | Survey data frame
survey | Survey data frame
val_label_normalize | Normalize value and variable labels
var_label_normalize | Normalize value and variable labels