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I believe it was called 'mound of toast' or something like that, the idea is to evaluate the robustness of results as parameters are changed.
In principle, one could report results for e.g. P/B in top 50 through top 150 with sales per share growth in e.g. top 5 to 15.
Would be looking for a broad mound of parameters that produce somewhat similar results, not a sharp mountain peak.

Not that I'm suggesting work for anyone (:->
Just wondering if parameter robustness could help identify screens that don't have some occult over-tuning.
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