column method
- String field
Splits the chart into side-by-side panels, one per value.
Names a COLUMN, never a constant. .color("red") means a column
called red; painting a mark red is markColor.
field The column name.
Returns This mark, so channels chain.
See also row.
Implementation
VlChartMark column(String field) {
return this.channel("column", field);
}