Henry's user avatar
Henry's user avatar
Henry's user avatar
Henry
  • Member for 11 years, 8 months
  • Last seen this week
83 votes
Accepted

Is it important to scale data before clustering?

61 votes

Shouldn't the joint probability of 2 independent events be equal to zero?

45 votes
Accepted

Transform Data to Desired Mean and Standard Deviation

40 votes

Visually interesting statistics concepts that are easy to explain

39 votes
Accepted

Imputation before or after splitting into train and test?

38 votes
Accepted

Are differences between uniformly distributed numbers uniformly distributed?

36 votes
Accepted

How to create an arbitrary covariance matrix

34 votes
Accepted

Interpretation of Shapiro-Wilk test

25 votes

If I have a 58% chance of winning a point, what's the chance of me winning a ping pong game to 21, win by 2?

24 votes

Probability of flipping heads after three attempts

24 votes
Accepted

Find expected value using CDF

24 votes
Accepted

What is perplexity?

23 votes
Accepted

Cauchy Distribution and Central Limit Theorem

23 votes
Accepted

What's the event space of a single coin toss?

23 votes

Counter intuitive Bayesian theorem

22 votes
Accepted

Why can you not find the probability of a specific value for the normal distribution?

21 votes

Estimating the distribution from data

20 votes

How to generate uniformly distributed points on the surface of the 3-d unit sphere?

20 votes
Accepted

What are correct values for precision and recall when the denominators equal 0?

19 votes

Test for finite variance?

18 votes
Accepted

What is the difference between empirical variance and variance?

18 votes

Probability that number of heads exceeds sum of die rolls

18 votes
Accepted

A description of the mean of the Geometric Distribution - is it unorthodox or just incorrect?

17 votes
Accepted

Are linear regression and least squares regression necessarily the same thing?

17 votes

What is the need of assumptions in linear regression?

17 votes

Warning in R - Chi-squared approximation may be incorrect

16 votes

Does the normal distribution converge to a uniform distribution when the standard deviation grows to infinity?

16 votes

Does the reciprocal of a probability represent anything?

16 votes

Why is my regression insignificant when I merge data that produced two significant regressions?

16 votes

Let A and B be two random variables, both independent from another random variable C. Is A*B also independent from C?

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