How can I calculate the standard deviation for every loop iteration?

Hi all,
I am calculating the accuracy for different data sample size using a loop in which each iteration of the loop calculates the accuracy for one sample of the data, and I am currently stuck on how to calculate the standard deviation for each sample size (iteration)

Thank you

You can calculate standard deviation using the GroupBy node. If you want to aggregate over the whole table, simple don’t select any grouping column. In the second tab add the column you want to calculate the standard deviation for and select standard deviation as aggregation function. You can also collect your data with a Loop End node, then group by iteration (that column is added by default) and aggregate using standard deviation.
Kind regards


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