Examples of editing symbols (boxplot)
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In the Example of a boxplot with multiple y's and groups, you assess the consistency of plastic pipe diameters. You can represent the data with outlier, individual, median, and mean symbols. You want to add and customize individual symbols.

Note

Similar symbol editing functions are available for individual symbols on interval plots and individual value plots.

Groups

Add a grouping variable.

1    Choose Editor > Add > Data Display.

2    Under Data Display, check Individual symbols. Click OK.

3    Double-click the symbols.

4    Click the Groups tab.

5    In Assign attributes by categorical variables, enter Machine.

6    Click OK.

Attributes

Change the symbol type and color for each group.

1    Select and double-click the symbols
for Machine = 1. See Selecting groups and single items for details.

2    Under Symbols, choose Custom.

·    From Type, choose .

·    From Color, choose .

3    Click OK.

4    Select and double-click the symbols for
Machine = 2.

5    Under Symbols, choose Custom.

·    From Type, choose .

·    From Color, choose .

6    Click OK.

Identical Points

By default, Minitab offsets identical data points so that they don't obscure each other. In this graph, there are no identical points, but some are very close. Add jitter to randomly nudge points so that you can better differentiate the close ones.

1    Double-click the symbols.

2    Click the Identical Points tab.

3    Under Symbol Offset, choose Jitter.

4    Click OK.