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Carl

I am a nuclear physician, and a scientist. My interest in statistics is for writing journal articles.

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Top Questions
68 votes

Why is the sum of two random variables a convolution?

pdf terminology cdf mixture convolution asked Mar 6, 2018 at 9:46
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39 votes

Is Tikhonov regularization the same as Ridge Regression?

regression terminology regularization ridge-regression tikhonov-regularization asked Sep 10, 2016 at 4:44
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24 votes

Why are we using a biased and misleading standard deviation formula for $\sigma$ of a normal distribution?

normal-distribution standard-deviation expected-value unbiased-estimator umvue asked Dec 5, 2016 at 5:27
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16 votes

Definition of family of a distribution?

distributions terminology exponential-family asked Dec 29, 2017 at 4:46
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15 votes

Are there circumstances in which BIC is useful and AIC is not?

model-selection aic prior information-theory bic asked Sep 29, 2016 at 18:50
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13 votes

Undocumented TableView function

table undocumented asked Mar 29, 2018 at 0:28
mathematica.stackexchange.com

11 votes

Would the real adjusted R-squared formula please step forward?

regression nonlinear-regression r-squared adjustment asked Feb 6, 2021 at 0:34
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10 votes

Does anyone have Mathematica code for Deming regression?

fitting code-request asked Sep 13, 2016 at 1:52
mathematica.stackexchange.com

8 votes

Define stellar metallicity

metallicity asked Jan 1, 2022 at 5:35
astronomy.stackexchange.com

8 votes

What is the convolution of a normal distribution with a gamma distribution?

distributions normal-distribution gamma-distribution convolution asked Feb 27, 2018 at 16:45
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Top Answers
57
Is Tikhonov regularization the same as Ridge Regression?
stats.stackexchange.com

23
The relationship between the gamma distribution and the normal distribution
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18
Moderation Strike: Stack Overflow, Inc. cannot consistently ignore, mistreat, and malign its volunteers
meta.stackexchange.com

16
What does the Akaike Information Criterion (AIC) score of a model mean?
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13
What is the difference between moment generating function and probability generating function?
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13
What is collinearity and how does it differ from multicollinearity?
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13
What is the interpretation of scaled regression coefficients when only the predictors are scaled?
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11
What's so 'moment' about 'moments' of a probability distribution?
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11
Why do we only see $L_1$ and $L_2$ regularization but not other norms?
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11
How do gamma distributions add and what would that model?
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11
Generic sum of Gamma random variables
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11
Cohen's kappa in plain English
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10
What distribution results in adding two Pareto distributions
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9
Firing mods and forced relicensing: is Stack Exchange still interested in cooperating with the community?
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9
How is the Akaike information criterion (AIC) affected by sample size?
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9
What are the differences between generalized additive model, basis expansion and boosting?
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9
What is ordinary, in ordinary least squares?
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8
What is distribution parameterization?
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8
What is "Discriminant hotelling"?
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8
Which has the heavier tail, lognormal or gamma?
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7
What's the difference between concordance correlation and intraclass correlation?
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7
Higher-order cumulant and moment names beyond variance, skewness and kurtosis
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7
What are drawbacks of isotonic regression?
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7
Is it possible that two Random Variables from the same distribution family have the same expectation and variance, but different higher moments?
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7
What exactly is a "solver" in optimization?
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6
Why are hidden Markov models (HMM) also called mixture models?
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6
Does this NYT article incorrectly assume independent increments?
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6
Harmonic mean of random variables
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6
What is the meaning of these terms in image processing?
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6
Is there a version of the correlation coefficient that is less-sensitive to outliers?
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