Any quick tip on how to sum numbers in an array? [image] I would like to add a column that sums the numbers in the array of numbers in the last column. The array is a simple list of numbers, appended by the row.

Nope. Doesn’t work… the sum option is not available. [image]

Related: I would like the count of instances of an item from an array. [array]

Interesting! :thinking: I didn’t know that a Rollup column can count the items of array in each row, thanks for the tip! However, your goal is the sum right?.. I think a customized JS code can do it easy: This is my code by using an EC: [image] let len=p8.length; let x=0, total =0; while (x<…

What are you using to get that rolling total array? Seems like it’s being read as text.

Right! It is the reason why I use parseInt() in the code. This covers all cases so far. Edited I already know what you mean Thind, of course, if the arrays have numeric values the Rollup operation would have worked perfectly!! Saludos!

This seems like an oversight. @mark @david ?

What is this Rolling total array column? How is it configured? Glide does not recognize it as an array of numbers. [image]

[image] BlakeWS: [array] Hola @BlakeWS You can try with this JS code until Glide’s JavaScript plugin can support arrays as input values (parameter) [image] let len=p8.length; let total=0; for (let x= 0; x< len; x++) { if (p1==p8[x]) total ++ } return total My Source’s URL …

@gvalero or: return p8.filter(x => x === p1).length :wink:

How can I sum numbers in an array?

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Robert_Petitto November 12, 2021, 7:37pm 21

This is the same reason why you can’t numerically sort a plugin > unique array as described here:

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How can I sum numbers in an array?

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