Show only the rows in selection, hiding the rest (a display-tier hide, not a
re-aggregation). Point a second view's filter_by() at a selection whose
gesture lives in a first view and you get cross-filtering: brush one panel,
a linked panel redraws to just those rows.
Arguments
- plot
A PlotSpec.
- selection
A
SelectionSpec, or a selection name string.
Value
The PlotSpec, with the filter registered.
