%dt
  %a{:href => "http://en.wikipedia.org/wiki/R-squared"} R-squared
%dd= sprintf '%.03g', model.r_square.to_f
%dt
  %a{:href => "http://en.wikipedia.org/wiki/Root_mean_square_deviation"} Root Mean Square Error
%dd= sprintf '%.03g', model.root_mean_squared_error.to_f
%dt
  %a{:href => "http://en.wikipedia.org/wiki/Mean_absolute_error"} Mean Absolute Error
%dd= sprintf '%.03g', model.mean_absolute_error.to_f