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meh

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Answers (55)

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22	Why does basic hypothesis testing focus on the mean and not on the median?
15	Regression without intercept: deriving $\hat{\beta}_1$ in least squares (no matrices)
10	Interaction between a predictor and its quadratic form?
9	Introduction to machine learning for mathematicians
6	how does XGBoost do regression using trees?

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Reputation (1,586)

+10	What does PAC learning theory mean?
+10	Why is it important to make a distinction between “linear” versus “non-linear” regression?
+25	Why do we use PCs instead of transformed data as new variables in linear regression?
+10	Famous easy to understand examples of a confounding variable invalidating a study

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Question (1)

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3	Theoretical Justification for Cross Validation

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24 mean × 2	18 self-study × 2
22 median	17 machine-learning × 13
22 inference	17 regression × 10
22 hypothesis-testing	12 generalized-linear-model × 3
20 least-squares × 3	11 pca × 9

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	Cross Validated	1,586 rep	10 silver badges15 bronze badges
	MathOverflow	861 rep	6 silver badges11 bronze badges
	Stack Overflow	178 rep	7 bronze badges
	TeX - LaTeX	141 rep	3 bronze badges
	Mathematics	121 rep	4 bronze badges

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26	down		215	answer

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