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generic_user
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155 votes
7 answers
125k views

Clustering on the output of t-SNE

130 votes
4 answers
133k views

When to use gamma GLMs?

48 votes
1 answer
16k views

Intuition behind tensor product interactions in GAMs (MGCV package in R)

42 votes
4 answers
17k views

Good methods for density plots of non-negative variables in R?

24 votes
7 answers
3k views

Explain in layperson's terms why predictive models aren't causally interpretable

22 votes
2 answers
18k views

Multiple imputation for outcome variables

15 votes
0 answers
460 views

Penalized spline confidence intervals based on cluster-sandwich VCV

14 votes
3 answers
4k views

Matrix form of backpropagation with batch normalization

13 votes
2 answers
12k views

Is Mahalanobis distance equivalent to the Euclidean one on the PCA-rotated data?

10 votes
0 answers
2k views

Dynamic Panel/GMM in R with group:time fixed effects? [closed]

9 votes
1 answer
3k views

Multivariate response regressions vs many linear models

8 votes
1 answer
1k views

Relative advantages of multiple imputation and expectation maximization (EM)

8 votes
1 answer
369 views

Causal identification and penalized splines

7 votes
1 answer
479 views

Maximum entropy distribution of a proportion with known mean and variance? Is it a beta?

5 votes
0 answers
787 views

Optimal block length for block bootstrap with multivariate time series

5 votes
0 answers
852 views

CDF of the ratio of two correlated $\chi^2$ random variables

5 votes
1 answer
302 views

causal inference with correlated multivariate outcomes

5 votes
1 answer
380 views

Equivalence of random effects via likelihood and smoothed splines

5 votes
0 answers
858 views

How general is the backfitting algorithm?

5 votes
1 answer
556 views

Sum or mean of across gradients in weight-sharing convolutional networks (and why)?

5 votes
1 answer
703 views

Mixed model by gradient descent?

5 votes
0 answers
537 views

BLUP formula for random coefficient models, in form that allows for convenient derivatives WRT loss function

4 votes
1 answer
1k views

Combining bagging and stacking, with and without clusters and heteroskedasticity

4 votes
1 answer
235 views

matrix form of dummy expansion?

4 votes
0 answers
159 views

Optimal block size for spatial bootstrapping

4 votes
2 answers
356 views

Zeros in non-negative data: can you multiply by 10^c, round, and then model as a count variable?

4 votes
1 answer
2k views

Why don't my cluster-robust (panel-robust) standard errors match those in Stata? (solved)

4 votes
1 answer
183 views

Multiple imputation for variables used to calculate regression weights

4 votes
1 answer
204 views

Principled ways of constraining $E[Y]=0$ when one of your regressors $\rightarrow$ 0

4 votes
1 answer
387 views

Algorithm for selecting interactions without very many degrees of freedom (mgcv, gam)