Daily update | 18 April, 2023

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How should I visualize errors that can be on either size of mean

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Source: stats
Views: 18
Score: 2
Tags: data-visualization error


Mike Sipser and Wikipedia seem to disagree on Chomsky's normal form

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Source: cs
Views: 896
Score: 2
Tags: formal-languages computability context-free formal-grammars pushdown-automata


Time series statistical model evaluation: weighted average across different forecast horizons

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Source: stats
Views: 22
Score: 2
Tags: machine-learning time-series arima model-evaluation


Conflicting Chi Squared and Cramers V result

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Source: stats
Views: 15
Score: 2
Tags: hypothesis-testing statistical-significance categorical-data chi-squared-test cramers-v


Is it better to select variables before regression or performing regression and then performing tests to select the variables?

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Source: stats
Views: 14
Score: 2
Tags: regression statistical-significance multiple-regression t-test likelihood-ratio

The End