[image] Dashboard Charts - 7 day rolling average looking at your original data - why do you have duplicate x values ? Talk about a self fulfilling prophecy!! I've noticed that duplicate entries have started to appear in my data feed, which are creating errors in a 7 day rolling average calcul…

I would take the lazy approach and use a function node. var prev = null; msg.payload = msg.payload.filter((item) => { var keep = (item.x !== prev); prev = item.x; return keep; }); return msg; This assumes you only want to dedupe on 'x', and they are all in sequence. You would have to…

Paul-Reed Closed 23 June 2020 08:37 4

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.

Topic		Replies	Views
Duplicate entries from an array General	8	211	24 June 2023
Removing Duplicates from Array General	15	1731	7 August 2021
Dashboard Charts - 7 day rolling average General	14	2430	8 June 2020
Remove repeating array objects in the flow General	7	246	6 November 2022
Node-red-contrib-deduplication General	10	1411	7 April 2020

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Remove duplicates from an array of objects

Related topics