Nigeria (NGA)
==============

This directory contains all source data, intermediate products,
quality assessment outputs, and exported GIS datasets for Nigeria
(NGA) used to generate the integrated displacement database.

Main files
----------

idps.sdb
    Main relational SQLite/SpatiaLite database containing original
    displacement data, administrative boundaries, linkage tables,
    metadata, and all intermediate processing results.
    Intended for advanced users.

idps_export.sqlite
    SQLite/SpatiaLite database containing all exported GIS layers
    in a single file. This is the SQLite equivalent of the
    csv_export/, gpkg_export/, and json_export/ directories.

Directories
-----------

fwf_export/
    Recommended GIS products for most users. Full Wide-Format (FWF)
    datasets containing all reporting rounds as attributes within
    single layers.

csv_export/
    Round-based CSV exports.

gpkg_export/
    Round-based GeoPackage exports.

json_export/
    Round-based GeoJSON exports.

idp/
    Original and cleaned displacement assessment tables.

codab/
    Administrative boundary datasets (GRID3 and HDX/COD-AB).

QA/
    Quality assessment statistics and matching diagnostics.

logs/
    Processing logs generated during database construction.

Additional documentation describing the archive, exported data model,
and database structure is available in the root directory:

README.txt
DESCRIPTION.txt
DATA_MODEL.txt
DIRECTORY_STRUCTURE.txt
REPORT.pdf
