Anyone any idea how to create a 7 day rolling average from an array of objects, to plot in a node-RED chart? The data arrives as an array of objects, comprising of a value, together with a epoch timestamp. There is just one object per day, and currently there is about 120 objects (4 months worth o…

I have assumed that for the first 6 samples what is wanted is the average of the samples so far. There are probably more compact ways of doing it but I imagine this is one of the most efficient techniques as keeps a rolling total rather than adding up seven values each time. // Expects payload to …

dceejay 23 May 2020 21:46 11

looking at your original data - why do you have duplicate x values ?

Remove duplicates from an array of objects

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Dashboard Charts - 7 day rolling average

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