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Tom edited this page Jan 8, 2021 · 4 revisions

Control Charts

Current features as of 28-10-2020

✔️ = Implemented, 🕐 = In progress, ⚠️ = Requires help/feedback

Feature QML code R code
X bar & R chart ✔️ 🕐
I-mR chart ✔️ 🕐
X bar & s chart ✔️ 🕐
Defectives charts ✔️ 🕐
Defects charts ✔️ 🕐
Cumulative sum chart ✔️ 🕐
g chart ✔️ 🕐
Exponentially weighted moving average chart ✔️ 🕐
t chart ✔️ 🕐

Timeline

Update 08-01-2021

Interface (QML):

  • Division of measurements into variables and attributes.
  • Layout of the plots' checkboxes is ordered into three columns. Output (R):
  • Addition of the P plot.

Update 06-11-2020

Interface (QML):

  • Add probability plot check box temporarily (later will be moved to the PRocess Capability section)

Output (R):

  • Probability plot based on the median rank.
  • Corresponding table summarizing descriptives (mean, N SD) and AD normality test (P-value and statistic).

Update 30-10-2020

Interface (QML):

Output (R):

  • Added functionality to read datasets and PRocess IDs.

Update 23-10-2020

Interface (QML):

  • Added checkbox for X bar & R chart to section "Control charts for variables".
  • Added checkbox for I-mR chart to section "Control charts for variables" and "Control charts for attributes".
  • Added checkbox for X bar & s chart to section "Control charts for variables".
  • Added checkbox and radio buttons for defective charts to section "Control charts for attributes".
  • Added checkbox and radio buttons for defects charts to section "Control charts for variables".
  • Added checkbox for cumulative sum chart to section "Special control charts"

Output (R):

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