Adding quantile types #437
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Added feature to specify quantile types. Includes changes in: - Interface - Quantiles in descriptives table - IQR in descriptives table - Boxplots - QQ-plots
Adding reference for help documentation
Some more explanations for the help file and clean-up.
- Code for treating ordinal variables as continuous to use the same quantile type for ordinal as well as continuous variables - Additional resource for help file - Making sure unit test for ordinals uses type 3 as the unit test was written under this assumption
vandenman
approved these changes
Dec 9, 2025
| label: qsTr("Type") | ||
| id: quantilesType | ||
| indexDefaultValue: 6 // Type 7, the default in R | ||
| info: qsTr("Method used to compute quantiles (see Hyndman & Fan, 1996; Langford, 2006, for more information). The selection carries over to the inter-quartile range (IQR), box- and QQ-plot calculations. Note that ordinal variables are treated as continuous for the computations.\n") |
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Perhaps also mention which values corresponds to other software programs? because the help file will be generated from this if I remember correctly, so it might be nice to mention this there as well.
| {label: qsTr("4"), value: 4}, | ||
| {label: qsTr("5"), value: 5}, | ||
| {label: qsTr("6 (Minitab, SPSS)"), value: 6}, | ||
| {label: qsTr("7 (R, S)"), value: 7}, |
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Suggested change
| {label: qsTr("7 (R, S)"), value: 7}, | |
| {label: qsTr("7 (R)"), value: 7}, |
I'd be inclined to omit S since it's been superseded by R.
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Allowing user to specify the type for the quantile estimation.