Cross Validated

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Accepted answer and score of 40 or more. This badge can be awarded multiple times.
Awarded 856 times.
Do underpowered studies have increased likelihood of false positives?
Awarded 10 hours ago
Why is PCA sensitive to outliers?
Awarded yesterday
Why is the CDF of a sample uniformly distributed
Awarded Nov 23 at 9:10
Interpretation of p-value in hypothesis testing
Awarded Nov 19 at 18:18
t-test on highly skewed data
Awarded Nov 7 at 20:56
Why can't I match glmer (family=binomial) output with manual implementation of Gauss-Newton algorithm?
Awarded Nov 7 at 10:51
What kind of information is Fisher information?
Awarded Oct 29 at 18:11
Distribution of difference between two normal distributions
Awarded Oct 21 at 22:17
What is covariate?
Awarded Oct 15 at 23:40
How to explain 1.5 children?
Awarded Oct 14 at 1:08
Explain model adjustment, in plain English
Awarded Sep 21 at 0:52
How to draw neat polygons around scatterplot regions in ggplot2
Awarded Sep 10 at 6:03
Dropping unused levels in facets with ggplot2
Awarded Sep 7 at 20:50
Model for predicting number of Youtube views of Gangnam Style
Awarded Sep 5 at 23:17
Is correlation equivalent to association?
Awarded Sep 1 at 11:50
k-NN computational complexity
Awarded Aug 9 at 7:10
Why is lambda "within one standard error from the minimum" is a recommended value for lambda in an elastic net regression?
Awarded Jul 28 at 12:41
What is happening here, when I use squared loss in logistic regression setting?
Awarded Jul 25 at 2:09
What is the standard error of the sample standard deviation?
Awarded Jun 25 at 9:31
explain meaning and purpose of L2 normalization
Awarded Jun 18 at 17:10
Collinearity diagnostics problematic only when the interaction term is included
Awarded Jun 16 at 20:10
What is the distribution of the sum of non i.i.d. gaussian variates?
Awarded Jun 16 at 8:31
Can statistical units measured per thousand inhabitants be bigger than 1000?
Awarded Jun 1 at 23:11
Which variance inflation factor should I be using: $\text{GVIF}$ or $\text{GVIF}^{1/(2\cdot\text{df})}$?
Awarded May 30 at 13:21
How could stochastic gradient descent save time compared to standard gradient descent?
Awarded May 29 at 15:07
Why do transformers use layer norm instead of batch norm?
Awarded May 22 at 10:07
How to obtain a confidence interval for a percentile?
Awarded May 13 at 20:56
Am I creating bias by using the same random seed over and over?
Awarded May 8 at 12:08
Is interaction possible between two continuous variables?
Awarded Apr 30 at 22:12
How do I fit a constrained regression in R so that coefficients total = 1?
Awarded Apr 28 at 4:22
What is the intuition of invertible process in time series?
Awarded Apr 27 at 20:05
Is there an example where MLE produces a biased estimate of the mean?
Awarded Apr 17 at 15:41
Why do we do matching for causal inference vs regressing on confounders?
Awarded Apr 14 at 4:21
Can you be 93,75% confident from a random sample of only five from a population of 10 000?
Awarded Mar 29 at 22:25
Is there any theory or field of study that concerns itself with modeling causation rather than correlation?
Awarded Mar 17 at 15:32
How to create an arbitrary covariance matrix
Awarded Mar 14 at 12:47
In a Poisson model, what is the difference between using time as a covariate or an offset?
Awarded Mar 2 at 8:57
Different covariance types for Gaussian Mixture Models
Awarded Feb 26 at 22:12
Difference Between ANOVA and Kruskal-Wallis test
Awarded Feb 16 at 12:00
What is the definition of Top-n accuracy?
Awarded Feb 14 at 9:04
Maximum likelihood estimators for a truncated distribution
Awarded Feb 13 at 18:55
Gradient of Hinge loss
Awarded Feb 7 at 11:57
How does negative sampling work in word2vec?
Awarded Feb 1 at 6:21
Statistical test to tell whether two samples are pulled from the same population?
Awarded Feb 1 at 2:11
Clustering methods that do not require pre-specifying the number of clusters
Awarded Jan 31 at 23:21
Does random forest need input variables to be scaled or centered?
Awarded Jan 26 at 15:07
Is hour of day a categorical variable?
Awarded Jan 24 at 19:08
Do all interactions terms need their individual terms in regression model?
Awarded Jan 18 at 11:25
Understanding input_shape parameter in LSTM with Keras
Awarded Jan 17 at 23:03
How to perform isometric log-ratio transformation
Awarded Jan 17 at 19:09
Is Kernel PCA with linear kernel equivalent to standard PCA?
Awarded Jan 4 at 9:06
What are 'aliased coefficients'?
Awarded Dec 22, 2022 at 12:28
What is the difference between something being "true" and 'true with probability 1"?
Awarded Dec 15, 2022 at 8:15
Bayesian vs frequentist Interpretations of Probability
Awarded Dec 13, 2022 at 23:40
Regression with multiple dependent variables?
Awarded Dec 13, 2022 at 18:09
Imputation before or after splitting into train and test?
Awarded Dec 9, 2022 at 14:03
Why is Lasso penalty equivalent to the double exponential (Laplace) prior?
Awarded Nov 30, 2022 at 5:05
Is the t-test miscalibrated in R?
Awarded Nov 13, 2022 at 4:11
Why is tanh almost always better than sigmoid as an activation function?
Awarded Nov 12, 2022 at 11:06
Adaptive GAM smooths in mgcv
Awarded Nov 10, 2022 at 22:25
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