QC_Lines                Calculate QC Limits
QCrange                 Range: Max Min Difference
cBar_LCL                Lower Control Limit: Count Data (c-chart)
cBar_UCL                Upper Control Limit: Count Data (c-chart)
mR                      Mean One-Point Moving Range
mR_UCL                  Mean One-Point Moving Range Upper Control Limit
                        (UCL)
mR_points               One Point Moving Range of Vector
npBar                   Mean Value: Binomial Data (np-chart)
npBar_LCL               Lower Control Limit: Binomial Data (np-chart)
npBar_UCL               Upper Control Limit: Binomial Data (np-chart)
pBar                    Mean Proportion: Binomial Data (p-chart)
pBar_LCL                Lower Control Limit: Binomial Data (p-chart)
pBar_UCL                Upper Control Limit: Binomial Data (p-chart)
rBar                    Mean Subgroup Range
rBar_LCL                Mean Subgroup Range Lower Control Limit (LCL)
rBar_UCL                Mean Subgroup Range Upper Control Limit (UCL)
rMedian                 Median of Subgroup Ranges
rMedian_LCL             Median of Subgroup Ranges Lower Control Limit
                        (LCL)
rMedian_UCL             Median of Subgroup Ranges Upper Control Limit
                        (UCL)
sBar                    Mean Subgroup Standard Deviation
sBar_LCL                Mean Subgroup Standard Deviation Lower Control
                        Limit (LCL)
sBar_UCL                Mean Subgroup Standard Deviation Upper Control
                        Limit (UCL)
stat_QC                 Produce QC Charts with ggplot Framework.
stat_QC_labels          Write QC Line Lables to ggplot QC Charts.
stat_mR                 Generate mR chart in ggplot
uBar                    Mean Rate: Count Data (u-chart)
uBar_LCL                Lower Control Limit: Count Data (u-chart)
uBar_UCL                Upper Control Limit: Count Data (u-chart)
xBar_Bar                Mean of Subgroup Means
xBar_one_LCL            xBar_One Lower Control Limit (LCL)
xBar_one_UCL            xBar_One Upper Control Limit (UCL)
xBar_rBar_LCL           Mean of Subgroup Means Lower Control Limit
                        (LCL)
xBar_rBar_UCL           Mean of Subgroup Means Upper Control Limit
                        (UCL)
xBar_rMedian_LCL        Mean of Subgroup Means Lower Control Limit
                        (LCL) based on Median Range
xBar_rMedian_UCL        Mean of Subgroup Means Upper Control Limit
                        (UCL) based on Median Range
xBar_sBar_LCL           Mean of Subgroup Means Lower Control Limit
                        (LCL) based on Standard Deviation
xBar_sBar_UCL           Mean of Subgroup Means Upper Control Limit
                        (UCL) based on Standard Deviation
xMedian_Bar             Mean of Subgroup Medians
xMedian_rBar_LCL        Mean of Subgroup Medians Lower Control Limit
                        (LCL) based on Mean Range
xMedian_rBar_UCL        Mean of Subgroup Medians Upper Control Limit
                        (UCL) based on mean Range
xMedian_rMedian_LCL     Mean of Subgroup Medians Lower Control Limit
                        (LCL) based on Median Range
xMedian_rMedian_UCL     Mean of Subgroup Medians Upper Control Limit
                        (UCL) based on Median Range
