SPCRTFType:
| "xBarAboveUCL"
| "xBarBelowLCL"
| "nXBarInARowAboveMean"
| "nXBarInARowBelowMean"
| "nXBarInARowIncreasing"
| "nXBarInARowDecreasing"
| "nOfNPlus1Above2SD"
| "nOfNPlus1Below2SD"
| "nOfNPlus1Above1SD"
| "nOfNPlus1Below1SD"
| "nXBarInARowOutside1SD"
| "nXBarInARowAlternating"
| "nXBarInARowInside1SD"
| "xBarAboveFixedControlLimit"
| "xBarBelowFixedControlLimit"
| "xAboveIndividualLimit"
| "xBelowIndividualLimit"
| "xAboveSpec"
| "xBelowSpec"
| "rangeAboveUCL"
| "rangeBelowLCL"
| "nRangeInARowAboveRBar"
| "nRangeInARowBelowRBar"
| "nRangeInARowIncreasing"
| "nRangeInARowDecreasing"
| "rangeAboveFixedControlLimit"
| "rangeBelowFixedControlLimit"