1. binspp::cov_refor
    Distance to the reforestration polygon
  2. binspp::cov_reserv
    Distance to the reservoir
  3. binspp::cov_slope
    Slope of the area
  4. binspp::cov_tdensity
    Trees density
  5. binspp::cov_tmi
    Topographic moisture index
  6. binspp::trees_N4
    Spanish oak trees
  7. binspp::x_left_N4
    Left horizontal corners for trees_N4 dataset
  8. binspp::x_right_N4
    Right horizontal corners for trees_N4 dataset
  9. binspp::y_bottom_N4
    Bottom vertical corners for trees_N4 dataset
  10. binspp::y_top_N4
    Vertical corners for trees_N4 dataset