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Questions related from Victor O. Costa
Hello, dear readers. If a signal is real-valued, its DFT is known to be hermitian-symmetric. How does the DFT behaves when a signal is complex-valued and hermitian-symmetric or...
01 April 2019 9,110 1 View
Can a search method that optimizes one criteria and uses other as a tie-breaker be called multi-objective? If yes, is there a subcategory in which it falls? If not, what is it called? Thank you.
18 January 2018 8,642 5 View
Assume that, after running some hyperparameter optimization technique based on the training data and possibly using cross-validation to guide the search, there are M best models avaliable to...
13 November 2017 7,532 3 View
In the mixed-variable heuristic optimization domain, what is done when a categorical variable determines the existence of continuous or ordered discrete variables in each possible solution? To...
15 October 2017 6,700 5 View
When we work with classifiers, there are many probabilistic aspects. Some of them are: - The division between training and test sets; - Tuning hyperparameters; - Training the model itself; Should...
25 September 2017 3,495 7 View