Daily update | 21 May, 2022

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Is the sum of two singular covariance matrices also singular?

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Source: stats
Views: 167
Score: 6
Tags: covariance-matrix sum singular


Is the set of languages satisfying the pumping lemma closed under concatenation?

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Source: cs
Views: 107
Score: 3
Tags: regular-languages pumping-lemma closure-properties


Exists an option to avoid reference categories in logistic regression?

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Source: stats
Views: 108
Score: 3
Tags: regression logistic categorical-encoding


Objective criteria for assumption violations that do not utilize p-values?

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Source: stats
Views: 33
Score: 2
Tags: hypothesis-testing references linear-model assumptions diagnostic


Is it possible to deal with datasets of graphs with different number of nodes in graph nural networks?

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Source: stats
Views: 4
Score: 2
Tags: machine-learning neural-networks graph-neural-network

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