# xtdhcoint 1.0.0

* Initial CRAN release.
* Main function `xtdhcoint()` for Durbin-Hausman panel cointegration tests.
* DHg (group-mean) and DHp (panel) test statistics.
* Automatic factor number selection via information criteria (IC, PC, AIC, BIC).
* Long-run variance estimation using Bartlett kernel.
* Cross-sectional dependence handled through common factor extraction.
* Example dataset `fisher_panel` for testing Fisher effect.
