public double?GetTransitionGroupDataValue(NormalizeOption ratioIndex,
                                                  TransitionGroupChromInfoData transitionGroupChromInfoData)
        {
            var normalizationMethod = NormalizationMethodForPrecursor(transitionGroupChromInfoData.PeptideDocNode,
                                                                      transitionGroupChromInfoData.TransitionGroupDocNode, ratioIndex);

            return(GetTransitionGroupValue(normalizationMethod, transitionGroupChromInfoData.PeptideDocNode,
                                           transitionGroupChromInfoData.TransitionGroupDocNode,
                                           transitionGroupChromInfoData.ChromInfo));
        }
 protected override bool IsMissingValue(TransitionGroupChromInfoData chromInfoData)
 {
     return !GetValue(chromInfoData.ChromInfo).HasValue;
 }