PDF uncertainties
Simple scheme: compute weight RMS at event level, fill only up/down templates
Full scheme: fill separate template using each weight, obtain up/down templates in postprocessing (different depending on MC or Hessian)
Simple scheme: compute weight RMS at event level, fill only up/down templates
Full scheme: fill separate template using each weight, obtain up/down templates in postprocessing (different depending on MC or Hessian)