How to display various types of charts like bar chart, line chart, scatter etc

displaying
various types of charts like bar chart, line chart, scatter etc

Is this a question ?
The node-red-dashboard support simple graph types.
The node-red-node-ui-vega supports the vega protocol that handles very rich graphic types.
Both can be found on the flows.nodered.org site

moved to #general as a “How to” rather than a feature request