Changes in version 1.0.0 (2026-04-13)                  

Initial CRAN Release

  - First public release of qDEA package
  - Implements quantile Data Envelopment Analysis methods
  - Main function qDEA() for efficiency analysis with multiple
    orientations
  - Support for various returns to scale specifications (CRS, VRS, DRS,
    IRS)
  - Bootstrap bias correction procedures
  - Subsample size selection following Simar and Wilson (2011)
  - Helper functions for DEA model building and LP solving
  - Four example datasets from Cooper, Seiford, and Tone (2006)
  - Integration with highs solver for linear programming

Key Features

  - Standard DEA and quantile DEA (qDEA) estimation
  - Multiple model orientations: input, output, graph, hyperbolic, and
    directional distance
  - Iterative qDEA with convergence testing
  - Bootstrap-based bias correction
  - Peer identification and projection calculations
  - Comprehensive documentation with examples