Specifies the estimation method of location. Can be 'BIWEIGHT' (Tukey biweight), 'GEOMETRICMEAN', 'HARMONICMEAN', 'MEAN' (arithmetic mean, default), 'MEDIAN', 'TRIMMEDMEAN' (with lowerPerc, upperPerc, or symPerc), or 'WINSORIZEDMEAN' (with lowerPerc, upperPerc, or symPerc)....