jeudi 17 avril 2014

Smooth and interpolate data in SQL - bezier, LOESS, spline


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Is there any implementation of LOESS, bezier or similar smoothing in SQL?


What I would like to do:



  • take some small number of values as input (e.g. 6 integers)

  • create smoothed series of data (e.g. with 100 observations as result)

  • subset specified number of observations and return as output (e.g. for 10 it would return rows 1, 10, 20, 30, 40, 50, 60, 70, 80, 90 from the smoothed data).


There are some topics on SO, but none for SQL:



asked 50 secs ago






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