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ihsMW 1.0.0

Major release

• First stable release on CRAN.
• All features from 0.3.0 development version now stable.

New features

• ihs_merge(): Merge multiple harmonised data.frames with auto-detected join keys.
• ihs_deflate(): CPI-based deflation for cross-round real price comparisons.
• ihs_svydesign(): One-line creation of survey.design2 objects with auto-detected weights/strata/PSU.
• ihs_report(): Publication-ready summary statistics tables with optional grouping and survey weights.
• ihs_panel_ids(): Quick reference for standard ID columns by round.

Documentation

• Complete rewrite of all vignettes for the offline cleaning workflow.
• Added JOSS paper draft.
• Added GitHub issue templates for crosswalk mappings and conversion factors.

ihsMW 0.3.0 (development)

New features

• ihs_merge(): Merge multiple harmonised data.frames with auto-detected join keys.
• ihs_deflate(): CPI-based deflation for cross-round real price comparisons.
• ihs_svydesign(): One-line creation of survey.design2 objects with auto-detected weights/strata/PSU.
• ihs_report(): Publication-ready summary statistics tables with optional grouping and survey weights.
• ihs_panel_ids(): Quick reference for standard ID columns by round.

Documentation

• Complete rewrite of all vignettes for the offline cleaning workflow.
• Added JOSS paper draft.
• Added GitHub issue templates for crosswalk mappings and conversion factors.

ihsMW 0.2.1

Bug fixes

• Fixed spelling NOTE for ‘winsorization’ on CRAN.
• Added scratch/ to .Rbuildignore.

ihsMW 0.2.0

Breaking changes

• Package pivot: Removed all API download infrastructure. The package is now a 100% offline cleaning and harmonisation suite.
• Removed IHS(), ihs_auth(), IHS_survey(), ihs_variables(), ihs_label(), ihs_modules(), ihs_cache_info(), ihs_cache_clear(), mwi_surveys().
• Dropped httr2 and httptest2 dependencies.

New features

• ihs_harmonise(): Rename raw .dta columns to harmonised names using the crosswalk.
• ihs_clean(): Master cleaning wrapper with audit trail.
• ihs_standardize_missing(): Convert survey missing codes (-99, -98, etc.) to NA.
• ihs_winsorize(): Stratified winsorization with _w suffix columns.
• ihs_convert_units(): Crop-specific unit-to-kg conversion using official NSO factors.
• ihs_aggregate(): Type-aware aggregation to household level.
• Bundled 1,608 official NSO crop conversion factors.
• Crosswalk expanded to 5,829 harmonised variables.

ihsMW 0.1.0

Initial release

• API-based download workflow (now removed in v0.2.0).
• ihs_search() and ihs_crosswalk_check() for variable discovery.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.