VegaFusion provides a function for introspecting a Vega specification and determining which columns are referenced from each root dataset. A root dataset is one defined at the top-level of the spec that includes a url or values properties.
VegaFusion provides a function for introspecting a Vega specification and determining which columns are referenced from each root dataset. A root dataset is one defined at the top-level of the spec that includes a url or values properties.