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Accepted answer and score of 40 or more. This badge can be awarded multiple times.
Awarded 917 times.
Is PCA always recommended?
Awarded Jun 25 at 2:46
What is the rationale of the Matérn covariance function?
Awarded Jun 17 at 0:02
What important ideas have there been since McCullagh and Nelder's "Generalized Linear Models" (first published 1983)?
Awarded May 29 at 7:55
Status of R Journal
Awarded Apr 25 at 10:32
What distribution does my data follow?
Awarded Mar 13 at 19:49
What algorithms need feature scaling, beside from SVM?
Awarded Mar 12 at 11:31
From uniform distribution to exponential distribution and vice-versa
Awarded Feb 18 at 11:51
Are unbalanced datasets problematic, and (how) does oversampling (purport to) help?
Awarded Jan 13 at 17:08
How do you find weights for weighted least squares regression?
Awarded Jan 10 at 9:12
Cross-validation including training, validation, and testing. Why do we need three subsets?
Awarded Dec 12, 2024 at 6:06
Such thing as a weighted correlation?
Awarded Dec 6, 2024 at 15:42
Statistical inference when the sample "is" the population
Awarded Nov 20, 2024 at 13:58
In a random forest, is larger %IncMSE better or worse?
Awarded Nov 5, 2024 at 18:57
Binary classification with strongly unbalanced classes
Awarded Oct 29, 2024 at 15:03
Why do we model noise in linear regression but not logistic regression?
Awarded Oct 22, 2024 at 6:40
How to statistically prove if a column has categorical data or not, using Python
Awarded Oct 18, 2024 at 9:17
Why is the rank of covariance matrix at most $n-1$?
Awarded Sep 30, 2024 at 0:42
Converting (normalizing) very small likelihood values to probability
Awarded Sep 28, 2024 at 23:45
How are the Error Function and Standard Normal distribution function related?
Awarded Sep 18, 2024 at 18:55
Difference between LOESS and LOWESS
Awarded Sep 9, 2024 at 21:36
How do I test that two continuous variables are independent?
Awarded Sep 3, 2024 at 18:25
Interpretation of p-value near alpha level
Awarded Aug 24, 2024 at 19:36
Can AUC-ROC be between 0-0.5?
Awarded Aug 23, 2024 at 12:17
Difference in Difference method: how to test for assumption of common trend between treatment and control group?
Awarded Jul 17, 2024 at 14:37
How do the Goodman-Kruskal gamma and the Kendall tau or Spearman rho correlations compare?
Awarded Jun 22, 2024 at 9:10
whether to rescale indicator / binary / dummy predictors for LASSO
Awarded Jun 20, 2024 at 8:40
Kullback–Leibler vs Kolmogorov-Smirnov distance
Awarded Jun 18, 2024 at 19:16
Utility of feature-engineering : Why create new features based on existing features?
Awarded Jun 11, 2024 at 11:26
How to deal with an error such as "Coefficients: 14 not defined because of singularities" in R?
Awarded Jun 11, 2024 at 8:57
Explanation of finite population correction factor?
Awarded Jun 1, 2024 at 18:48
Amoeba Interview Question
Awarded May 24, 2024 at 15:11
Is it possible to find the combined standard deviation?
Awarded May 21, 2024 at 3:25
What is the intuition behind defining completeness in a statistic as being impossible to form an unbiased estimator of $0$ from it?
Awarded May 21, 2024 at 2:28
What is the proper association measure of a variable with a PCA component (on a biplot / loading plot)?
Awarded May 20, 2024 at 15:11
What norm of the reconstruction error is minimized by the low-rank approximation matrix obtained with PCA?
Awarded Apr 30, 2024 at 16:28
Why do I get zero variance of a random effect in my mixed model, despite some variation in the data?
Awarded Apr 18, 2024 at 17:21
Differences between prior distribution and prior predictive distribution?
Awarded Apr 16, 2024 at 20:03
Taking the expectation of Taylor series (especially the remainder)
Awarded Apr 13, 2024 at 14:10
I've heard that ratios or inverses of random variables often are problematic, in not having expectations. Why is that?
Awarded Apr 1, 2024 at 18:12
Is LSTM (Long Short-Term Memory) dead?
Awarded Mar 29, 2024 at 10:16
What's in a name: Precision (inverse of variance)
Awarded Mar 28, 2024 at 12:16
Should I use t-test on highly skewed data ? Scientific proof, please?
Awarded Mar 28, 2024 at 2:51
Does it ever make sense to treat categorical data as continuous?
Awarded Mar 22, 2024 at 19:07
Why is the Jeffreys prior useful?
Awarded Mar 22, 2024 at 18:30
Does down-sampling change logistic regression coefficients?
Awarded Mar 17, 2024 at 11:06
Why is the Expectation Maximization algorithm guaranteed to converge to a local optimum?
Awarded Mar 16, 2024 at 13:55
Is it possible to interpret the bootstrap from a Bayesian perspective?
Awarded Mar 14, 2024 at 17:30
Why are p-values misleading after performing a stepwise selection?
Awarded Mar 14, 2024 at 9:40
Difference between standard error and standard deviation
Awarded Mar 14, 2024 at 3:10
Bayesian updating with new data
Awarded Mar 4, 2024 at 3:50
How do decision tree learning algorithms deal with missing values (under the hood)
Awarded Feb 28, 2024 at 7:15
What is the difference between dropout and drop connect?
Awarded Feb 25, 2024 at 19:48
Benefits of stratified vs random sampling for generating training data in classification
Awarded Feb 9, 2024 at 10:55
Negative binomial distribution vs binomial distribution
Awarded Feb 5, 2024 at 3:58
How to derive the ridge regression solution?
Awarded Jan 26, 2024 at 3:15
Mean squared error vs. mean squared prediction error
Awarded Jan 21, 2024 at 12:10
Justification of one-tailed hypothesis testing
Awarded Jan 20, 2024 at 9:45
Books for self-studying time series analysis?
Awarded Jan 18, 2024 at 17:42
Unified view on shrinkage: what is the relation (if any) between Stein's paradox, ridge regression, and random effects in mixed models?
Awarded Jan 8, 2024 at 19:16
When conducting a t-test why would one prefer to assume (or test for) equal variances rather than always use a Welch approximation of the df?
Awarded Dec 23, 2023 at 18:20
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