Cross Validated
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einar
  • Member for 8 years, 1 month
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403 Bookmarks

Score Activity Newest Views Added
27 answers
1k votes
823k views
2k bookmarks
Making sense of principal component analysis, eigenvectors & eigenvalues
15 answers
530 votes
221k views
546 bookmarks
What is the intuition behind beta distribution?
23 answers
527 votes
281k views
355 bookmarks
Why square the difference instead of taking the absolute value in standard deviation?
20 answers
479 votes
168k views
473 bookmarks
The Two Cultures: statistics vs. machine learning?
11 answers
396 votes
171k views
374 bookmarks
Explaining to laypeople why bootstrapping works
18 answers
389 votes
155k views
195 bookmarks
What happens if the explanatory and response variables are sorted independently before regression?
9 answers
378 votes
745k views
376 bookmarks
What is the difference between fixed effect, random effect and mixed effect models?
16 answers
358 votes
128k views
358 bookmarks
Is normality testing 'essentially useless'?
12 answers
358 votes
349k views
451 bookmarks
Difference between logit and probit models
8 answers
333 votes
128k views
371 bookmarks
Why is Euclidean distance not a good metric in high dimensions?
13 answers
320 votes
184k views
428 bookmarks
How to understand degrees of freedom?
8 answers
305 votes
257k views
391 bookmarks
What should I do when my neural network doesn't learn?
10 answers
265 votes
153k views
399 bookmarks
How would you explain covariance to someone who understands only the mean?
3 answers
256 votes
25k views
212 bookmarks
How to know that your machine learning problem is hopeless?
46 answers
248 votes
26k views
254 bookmarks
What are common statistical sins?
8 answers
230 votes
111k views
404 bookmarks
Algorithms for automatic model selection
13 answers
220 votes
201k views
178 bookmarks
What is the difference between data mining, statistics, machine learning and AI?
5 answers
217 votes
86k views
160 bookmarks
Which "mean" to use and when?
10 answers
197 votes
100k views
198 bookmarks
Why is accuracy not the best measure for assessing classification models?
10 answers
196 votes
209k views
189 bookmarks
How to deal with perfect separation in logistic regression?
5 answers
192 votes
245k views
208 bookmarks
How exactly does one “control for other variables”?
9 answers
186 votes
43k views
185 bookmarks
What intuitive explanation is there for the central limit theorem?
4 answers
183 votes
44k views
182 bookmarks
Why do we need sigma-algebras to define probability spaces?
4 answers
170 votes
151k views
150 bookmarks
Cohen's kappa in plain English
9 answers
162 votes
185k views
147 bookmarks
When is it ok to remove the intercept in a linear regression model?
9 answers
160 votes
104k views
191 bookmarks
Bottom to top explanation of the Mahalanobis distance?
34 answers
159 votes
31k views
94 bookmarks
The Sleeping Beauty Paradox
8 answers
143 votes
86k views
138 bookmarks
Why L1 norm for sparse models
5 answers
140 votes
155k views
137 bookmarks
Batch gradient descent versus stochastic gradient descent
9 answers
136 votes
154k views
100 bookmarks
Why does a time series have to be stationary?
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