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[SYSTEMDS-3925] Add lhs builtin function #2545

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[SYSTEMDS-3925] Add lhs builtin function #2545

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bdc07e6
Add builtin function lhs that performs latin hypercube sampling.
Jun 3, 2026
be8ad7f
Change lhs function to return a matrix of points coordinates instead …
Jun 21, 2026
29c561d
add two new methods for lhs generation: improved and maximin
Jun 24, 2026
3819a6d
consolidate improved and maximin method and add cp_sweep method
Jul 3, 2026
d96b2c6
add new method for lhs generation: genetic
grzybkos Jul 5, 2026
abdbe64
remove leftover comment
grzybkos Jul 5, 2026
8f8f2ea
Merge changes from adding genetic alogrithm with consoldating optimum…
Jul 5, 2026
17b19e6
add functions for goal evaluation for full matrix and for a new row t…
Jul 5, 2026
61582cc
add checks for correct parameters and break up lhs function into sepe…
Jul 8, 2026
5700701
fix buggy behaviour in cpSweep method and evaluateGoalNewRow function
Jul 9, 2026
267e636
change lhs to return the optimization objective value
Jul 11, 2026
ff6454c
add script to benchmark lhs againt random sampling by fitting a gmm t…
Jul 11, 2026
98830b6
add kl divergence to benchmarking metrics
Jul 13, 2026
91e03f0
use the goal parameter for scoring in genetic LHS
grzybkos Jul 14, 2026
ab6398f
adjust LHS script params and outputs
grzybkos Jul 14, 2026
8083156
test all LHS method and parameter combinations, explain failures
grzybkos Jul 14, 2026
4e1420a
refactor child generation in genetic LHS method
grzybkos Jul 14, 2026
da68d71
add seed parameter to LHS builtin and improve LHS tests
grzybkos Jul 14, 2026
8db9be5
fix sumInv to return inverse of squared distances
Jul 14, 2026
20d877a
fix random sampling dimension and comment in benchmark script
Jul 15, 2026
8bff6b4
add stop condition for numerical arguments
Jul 15, 2026
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