Not only an out-of-the-box multi-terminal chart library, but also a vivid and flexible data storyteller.
Not only a high-performance multi-dimensional data analysis form, but also a grid artist created between rows and columns.
It is not only a visual grammar that generates thousands of charts, but also a data magician who turns boring into magic.
Not only a visual rendering engine with rich functions, but also a handy pen.
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Pivot table. This example passes in the custom header tree structure rowTree and columnTree. In columnTree, two virtual header nodes are configured. The node's virtual is true, indicating a virtual node.
