Home / Statistical Tools / Analysis Tools / Boxplot / Options
Options¶
The Box Plot dialog has two tabs for customizing chart output: Box Plot Options for display settings and Advanced Options for statistical calculations.
Box Plot Options¶
Display Dataset Minimum¶
When checked, shows red X markers at the minimum value for each box. Use this when you want to see exactly where the lowest data point falls relative to the whisker.
Display Dataset Maximum¶
When checked, shows red X markers at the maximum value for each box. Use this when you want to see exactly where the highest data point falls relative to the whisker.
Display Mean¶
When checked, shows orange diamond markers at the mean (average) for each box. This is useful for comparing the mean to the median — if they differ significantly, the data may be skewed.
Display Outliers¶
When checked, shows filled red circle markers for outliers — values that fall beyond the outer fence (more than 3 times the IQR from the edge of the box). Enabled by default.
Display Suspected Outliers¶
When checked, shows open red circle markers for suspected outliers — values that fall between the inner fence (1.5 times the IQR) and the outer fence (3 times the IQR). Enabled by default.
Gap Between Boxes¶
Controls the spacing between boxes on the chart. Accepts values from 0 (boxes touching) to 500 (maximum spacing). Default is 150. Increase for readability when you have many boxes, or decrease when you want a more compact chart.
All Charts Share Common Vertical Axis Scale¶
When checked, all box plot charts produced by the analysis use the same Y-axis range. This makes it easier to visually compare charts when using GroupBy or multiple frequency columns, as the box positions are directly comparable. When unchecked, each chart scales independently to fit its own data.
Advanced Options¶
Box Height¶
Controls what the box represents:
| Option | Description |
|---|---|
| Interquartile Range (IQR) | Box spans from the 25th percentile (Q1) to the 75th percentile (Q3). This is the standard box plot convention and the default setting. |
| Custom Percentile | Box spans a custom percentile range. Enter a value between 5 and 45. For example, entering 10 means the box spans from the 10th percentile to the 90th percentile. |
Use Custom Percentile when you want the box to capture a larger or smaller portion of the data than the standard IQR.
Whiskers¶
Controls how far the whiskers extend from the box:
| Option | Description |
|---|---|
| Lowest/Highest Datum Within Inner Fence | Whiskers extend to the most extreme data points that are still within 1.5 times the IQR from the edge of the box. Values beyond this become outliers or suspected outliers. This is the standard statistical convention and the default setting. |
| Minimum/Maximum Data Point | Whiskers extend to the actual minimum and maximum values in the dataset. No outliers are identified with this setting since all values fall within the whiskers. |
Use Minimum/Maximum when you want to see the full data range without outlier classification, or when the 1.5*IQR method flags too many values as outliers for your use case.