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Adds all of the values of the datapoints that pass through it

The sum transform sums up numeric values. Given the data:


running the transform sum will give:


Since the transform returns all intermediate values, and usually we only want the total sum, if last is frequently used to filter all datapoints but the final one:

sum | if last

When run on the above data, this transform returns [14], which is the total sum of all datapoints in the stream.

Transform Details

One-To-OneStatelessPeekInput SchemaOutput Schema

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