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The specific cell number in this category and its percentage of total would appear when a cursor is moved over on it. For instance, the second sample (Sample2) includes 2285 cells which accounts for 36.149% of the total cells in the study (Figure 5).

Configuration card (red rectangle in Figure 6) for Pie chart in Flow includes the options:

• Data: multiple categorical attributes can be added to data source; Users are allowed to rearrange their order by dragging when having multiple categorical attributes (Figure 7).
• Split by: split the current Pie chart by a second categorical attribute (Figure 6)
• Color mode: Unique colors (default), Similar colors.
• Title: Title name, Title font size (16 px as default)
• Style: Order slices by Count or Category

Once you are pleased with the appearance of the dot plot, push Save image button to save it to the local machine. The resulting dialog (Figure 4) controls the resolution of the image file. The image will be saved in svg format, and the default file name is Dot plot.svg

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