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Thomas Lumley
  • Member for 3 years, 1 month
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55 votes
Accepted

Can mean be less than half of median if all numbers are non-negative?

52 votes
Accepted

Which distribution has its maximum uniformly distributed?

30 votes

Intuition of Random Walk having a constant mean

23 votes
Accepted

Is there a name for applying estimation at a lower level of aggregation, and is it necessarily problematic?

21 votes
Accepted

Proving Ridge Regression is strictly convex

21 votes

In cluster analysis, how does Gaussian mixture model differ from K Means when we know the clusters are spherical?

19 votes
Accepted

Why do I see a pattern in the residuals in this well specified model?

15 votes

Optimizing OLS with Newton's Method

13 votes
Accepted

Mean is not a sufficient statistic for the normal distribution when variance is not known?

13 votes
Accepted

If I know the density I'm estimating is symmetric about 0, how to impose this restriction in my kernel density estimator?

13 votes
Accepted

Uniform posterior on bounded space vs unbounded space

13 votes

What is the probability of 4 person in group of 18 can have same birth month?

12 votes

Why maximum a posterior, not maximum posterior?

12 votes
Accepted

How to transform one Poisson distributed random variable to another with a different mean?

12 votes
Accepted

Consistent estimator - consistent with what exactly?

11 votes

Taylor expansion in Hoeffding's Lemma proof

11 votes

Examples of Simpson's Paradox being resolved by choosing the aggregate data

11 votes

(Why) Is absolute loss not a proper scoring rule?

10 votes
Accepted

Why is the correlation coefficient always smaller than $1$ and bigger than $-1$?

10 votes

The "Amazing Hidden Power" of Random Search?

10 votes
Accepted

Underestimation of standard error

10 votes

Can someone explain the importance of mean stationarity in time series?

10 votes

Obtaining the correct Log-likelihood function

9 votes

How can a statistician who has the data for a non-normal distribution guess better than one who only has the mean?

9 votes
Accepted

Can a non-normal distribution have the same mean and median?

9 votes

CDF of maximum of $n$ correlated normal random variables

9 votes
Accepted

Why GEE estimates are smaller than GLMM?

9 votes

How to fit this linear regression with constraints?

9 votes

Limitations of Shapiro test

9 votes
Accepted

Why is the correlation between independent variables/regressor and residuals zero for OLS?

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