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Demetri P

Graduate student in applied mathematics.

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Top Questions
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84
What is the difference between the Jacobian, Hessian and the Gradient?
math.stackexchange.com

68
How do I use Pandas group-by to get the sum?
stackoverflow.com

68
When to remove insignificant variables?
stats.stackexchange.com

58
What are the worst (commonly adopted) ideas/principles in statistics?
stats.stackexchange.com

35
How can I determine which of two sequences of coin flips is real and which is fake?
stats.stackexchange.com

33
What percentage of a population needs a test in order to estimate prevalence of a disease? Say, COVID-19
stats.stackexchange.com

32
How to find the indices of items in a list, which are present in another list?
stackoverflow.com

32
Why do we care more about test error than expected test error in Machine Learning?
stats.stackexchange.com

32
How to choose "family" in Generalized Additive Model (GAM)
stats.stackexchange.com

32
In regression, why not use regularization by default?
stats.stackexchange.com

29
What is the difference between the Jacobian, Hessian and the Gradient?
stats.stackexchange.com

28
Significance test for two groups with dichotomous variable
stats.stackexchange.com

24
Can an irrelevant variable be significant in a regression model?
stats.stackexchange.com

23
What are the worst (commonly adopted) ideas/principles in statistics?
stats.stackexchange.com

22
Why does Machine Learning need a lot of data while one can do statistical inference with a small set of data?
stats.stackexchange.com

22
What if my linear regression data contains several co-mingled linear relationships?
stats.stackexchange.com

21
Do test scores really follow a normal distribution?
stats.stackexchange.com

20
Stepwise binary logistic regression, Forward or Backward?
stats.stackexchange.com

19
Are linear regression and least squares regression necessarily the same thing?
stats.stackexchange.com

19
Why do we never learn cross validation in regular statistical textbooks?
stats.stackexchange.com

18
ANOVA vs pairwise t-tests with multiple test correction
stats.stackexchange.com

18
Why do you take the sqrt of 1/n for RMSE?
stats.stackexchange.com

18
Causal diagrams necessary in randomized controlled trials?
stats.stackexchange.com

18
Statsmodels Logistic Regression: Adding Intercept?
stats.stackexchange.com

17
How to learn statistics for medical research?
stats.stackexchange.com

17
Is linear regression still relevant in a mid-level DS interview?
stats.stackexchange.com

17
What can be done about assumption violations in logistic regression?
stats.stackexchange.com

17
Why does Harrell Argue for "Ignoring Y during data reduction"?
stats.stackexchange.com

17
What are the best ways to generate Bayesian prior estimates using beliefs of non-statisticians?
stats.stackexchange.com

17
Feature selection for Logistic Regression
stats.stackexchange.com

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