vonjd
  • Member for 11 years, 6 months
  • Last seen more than a week ago
5 answers
46 votes
95k views
13 bookmarks
Using R online - without installing it
6 answers
36 votes
3k views
22 bookmarks
How can I analytically prove that randomly dividing an amount results in an exponential distribution (of e.g. income and wealth)?
4 answers
26 votes
42k views
18 bookmarks
Exact two sample proportions binomial test in R (and some strange p-values)
5 answers
21 votes
3k views
10 bookmarks
New revolutionary way of data mining?
10 answers
20 votes
5k views
10 bookmarks
Which one is the null hypothesis? Conflict between science theory, logic and statistics?
1 answers
20 votes
3k views
8 bookmarks
Article about misuse of statistical method in NYTimes
5 answers
11 votes
7k views
10 bookmarks
Fitting SIR model with 2019-nCoV data doesn't conververge
1 answers
11 votes
5k views
3 bookmarks
How to kernelize a simple perceptron?
3 answers
8 votes
29k views
2 bookmarks
Chi-square test: difference between goodness-of-fit test and test of independence
3 answers
8 votes
2k views
4 bookmarks
When estimating variance, why do unbiased estimators divide by n-1 yet maximum likelihood estimates divide by n?
2 answers
8 votes
9k views
7 bookmarks
Connection between sum of normally distributed random variables and mixture of normal distributions
2 answers
8 votes
4k views
1 bookmarks
Manually calculating p-value for t-test: How to avoid values bigger than $1$?
1 answers
6 votes
3k views
3 bookmarks
How to specify logistic regression as transformed linear regression?
2 answers
6 votes
6k views
2 bookmarks
Mean and variance of log-binomial distribution
2 answers
5 votes
579 views
1 bookmarks
Could Bessel's correction make sample variance estimation even more biased?
1 answers
5 votes
26k views
8 bookmarks
How to build scoring model (scorecard) from logistic regression?
1 answers
5 votes
1k views
3 bookmarks
Chi-squared-like test with absolute instead of squared differences for calculating test statistic
0 answers
5 votes
101 views
2 bookmarks
Does it make sense to speak of probability of a hidden outcome? (context: confidence intervals)
2 answers
5 votes
4k views
3 bookmarks
Building the connection between cosine similarity and correlation in R
1 answers
5 votes
4k views
2 bookmarks
Creating a plot with boxplots ranked by quantiles in R
1 answers
4 votes
2k views
1 bookmarks
Unbiased estimator of variance for samples *without* replacement
1 answers
4 votes
317 views
2 bookmarks
Did I understand AdaBoost correctly?
4 answers
4 votes
2k views
3 bookmarks
Software for learning Bayesian belief networks
1 answers
3 votes
84 views
1 bookmarks
Calculating payout of strategy for two one-armed bandits
1 answers
3 votes
535 views
2 bookmarks
Regression trees with multiple input and output levels
1 answers
3 votes
305 views
1 bookmarks
Don't understand the proof that unbiased sample variance is unbiased
1 answers
3 votes
250 views
2 bookmarks
Why is the difference between these two t-tests so big?
1 answers
3 votes
210 views
1 bookmarks
Most natural generalization of covariance/correlation to model dependence of extreme events
0 answers
3 votes
894 views
1 bookmarks
How to find the "optimal" cutoff-points in a non-linear relationship?
0 answers
2 votes
136 views
3 bookmarks
What are SHAP loss values?