Fast Way to calculate "nested" Col ... aggregations - like MAD
In 2017 @Kevin_Anderson submitted a wish to add a functionality to calculate Robust Means and Standard Deviation functions in JSL and Formula Editor .
In 2022 an extended version of the wish was submitted by @jthi :
Add normalization and robust statistical functions (and matrix functions)
with the comment:
@jthi wrote:
Most of these could already be implemented fairly easily by using existing st...