# xtrec 1.0.0

* Initial CRAN release.
* Implements the t-REC (iid errors) and t-RREC (robust) panel unit root tests
  from Westerlund (2015) <doi:10.1016/j.jeconom.2014.09.013>.
* Supports polynomial trend degrees 0, 1, 2, ...
* Asymptotic bias coefficients a_p and b_p computed analytically.
* Panel-level summary statistics for heterogeneity assessment.
