# Showcase

The flagship tour of `XWUIChartResidualPlot`. It walks the four block presets, the sm/md/lg canvas scale, every display toggle (legend, grid, axis spines, title, grid values, data labels), the marker and stroke controls (`dataPointStyle`, `lineStyle`, `lineWeight`, `lineArrows`), the isometric `use3D` mode with `rotation3D`, and the loading skeleton.

It closes with a model diagnostics board: one large residuals-vs-fitted canvas plus a button per candidate fit that pushes new residuals through `setData()`, so a clean cloud, a sloped bias and a widening funnel can be compared side by side.