User Sextus Empiricus

18

39

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2

answers

1k

views

Evidence for man-made global warming hits 'gold standard': how did they do this?

Oct 11 '19 at 6:16 amoeba 86.3k

4

32

votes

2

answers

692

views

StackExchange fires a moderator, and now in response hundreds of moderators resign: is the increase in resignations statistically significant?

time-series hypothesis-testing sampling nonparametric text-mining

Nov 12 '19 at 10:04 Sextus Empiricus 31.5k

5

15

votes

3

answers

959

views

The frog problem with negative steps

probability mathematical-statistics expected-value puzzle

Oct 26 at 12:43 Sextus Empiricus 31.5k

3

10

votes

1

answer

354

views

Are unbiased efficient estimators stochastically dominant over other (median) unbiased estimators?

mathematical-statistics loss-functions unbiased-estimator sufficient-statistics stochastic-ordering

Oct 31 '19 at 15:00 Community♦ 1

2

6

votes

1

answer

62

views

Proof/derivation for false discovery rate in Benjamini-Hochberg procedure

self-study mathematical-statistics false-discovery-rate

Nov 5 at 17:02 Sextus Empiricus 31.5k

6

votes

3

answers

225

views

The explosive AR(1) process with $\varphi>1$, where was this first represented as a stationary, but non-causal, time-series?

time-series mathematical-statistics autoregressive history philosophical

Oct 29 at 23:46 Michael 2,502

6

votes

3

answers

216

views

Forecasting/predicting total sum of donations (following GLM with poisson family and log link)

time-series forecasting nonlinear-regression prediction-interval

Sep 6 at 16:13 MarianD 1,355

2

6

votes

0

answers

84

views

How do we call a more extreme case of fat tails than a power law?

references terminology mathematical-statistics heavy-tailed

May 29 at 10:32 Community♦ 1

6

votes

2

answers

232

views

How do we characterize probabilities on this infinite sample space

probability kolmogorov-axioms

Dec 27 '17 at 17:02 Flounderer 8,610

5

votes

1

answer

41

views

How to estimate the sample variance of the estimator of the parameter $P(x≤0)$ where $x \sim N(\mu,\sigma)$?

variance estimators delta-method

Feb 26 at 22:20 Sextus Empiricus 31.5k

5

votes

1

answer

89

views

Was Amazon's AI tool, more than human recruiters, biased against women?

machine-learning classification bias artificial-intelligence statistics-in-media

Jul 13 at 0:52 kjetil b halvorsen♦ 53.5k

5

votes

1

answer

107

views

Viral topics. How to describe and characterize bumps in time series of tag-activity on Meta Stack Exchange

time-series data-visualization descriptive-statistics signal-processing demography

Nov 6 '19 at 3:06 Community♦ 1

4

votes

2

answers

48

views

Does the distribution $f(x) \propto (1-x^2)^{n/2}$ have a name?

distributions terminology beta-distribution definition geometry

Dec 12 at 14:03 wolfies 6,521

4

votes

1

answer

85

views

How to call this frequentist interval estimate that is neither a prediction interval nor a confidence interval

mathematical-statistics estimation terminology definition

Apr 9 '19 at 8:18 Sextus Empiricus 31.5k

4

votes

0

answers

180

views

Minimum-variance unbiased estimator to estimate quantiles when the errors are normal distributed

regression self-study unbiased-estimator efficiency rao-blackwell

Mar 13 '19 at 10:45 Sextus Empiricus 31.5k

1

3

votes

0

answers

672

views

A new strain of covid-19 is 70% more infectious/transmissible. What does that mean and how has it been estimated/measured? [closed]

intuition epidemiology statistics-in-media

Dec 22 at 9:56 Sextus Empiricus 31.5k

2

3

votes

1

answer

58

views

What is the origin of the term 'inverse probability'?

bayesian terminology history

Oct 24 at 20:22 Xi'an 80.6k

3

votes

1

answer

31

views

If a p-th standardized absolute moment for $X$ is higher than for $Y$, is this also true for other $p$?

mathematical-statistics descriptive-statistics moments

Aug 3 at 11:56 Sextus Empiricus 31.5k

3

votes

1

answer

201

views

Compounding a Gaussian distribution with variance distributed according to the absolute value of another Gaussian distribution

mathematical-statistics normal-distribution compound-distributions absolute-value

Jul 16 at 17:45 Alexis 22.3k

3

votes

2

answers

575

views

Is there a reason other than conventions why a CDF must be defined for all real numbers

distributions mathematical-statistics cumulative-distribution-function philosophical sigma-algebra

Dec 22 '17 at 23:46 Zhanxiong 4,507

1

2

votes

1

answer

43

views

Does independence of $X_i$ and $Y_j$ imply independence of vectors $\mathbf{X}$ and $\mathbf{Y}$?

time-series probability independence

Oct 14 at 20:38 Sextus Empiricus 31.5k

2

votes

1

answer

43

views

What is a corresponding waiting time distribution if the number of events is negative binomial distributed

distributions negative-binomial-distribution

Sep 20 at 12:56 Sextus Empiricus 31.5k

2

votes

0

answers

57

views

What is the history of the vertical bar symbol |

probability notation history

Dec 15 '19 at 10:30 Sextus Empiricus 31.5k

2

votes

0

answers

160

views

Intuition about a coupon problem were we ask for the distribution of the unique coupons when the number of draws is fixed

probability self-study sampling numerics coupon-collector-problem

Mar 14 '19 at 18:26 Community♦ 1

1

vote

1

answer

42

views

How to compute the gradient for a seperable nonlinear least squares problem?

self-study nonlinear-regression gradient-descent

Dec 19 at 16:05 Glorfindel 664

1

vote

1

answer

66

views

Rubin's rule, applied to absolute effect size or relative effect size (Cohen's d)?

estimation effect-size data-imputation cohens-d

Nov 5 at 14:33 Sextus Empiricus 31.5k

1

vote

1

answer

90

views

Power Analysis and the non central t distribution: what is the non-centrality parameter?

t-test statistical-power non-central

Oct 13 at 9:20 Z B 19

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27 Questions

Evidence for man-made global warming hits 'gold standard': how did they do this?

StackExchange fires a moderator, and now in response hundreds of moderators resign: is the increase in resignations statistically significant?

The frog problem with negative steps

Are unbiased efficient estimators stochastically dominant over other (median) unbiased estimators?

Proof/derivation for false discovery rate in Benjamini-Hochberg procedure

The explosive AR(1) process with $\varphi>1$, where was this first represented as a stationary, but non-causal, time-series?

Forecasting/predicting total sum of donations (following GLM with poisson family and log link)

How do we call a more extreme case of fat tails than a power law?

How do we characterize probabilities on this infinite sample space

How to estimate the sample variance of the estimator of the parameter $P(x≤0)$ where $x \sim N(\mu,\sigma)$?

Was Amazon's AI tool, more than human recruiters, biased against women?

Viral topics. How to describe and characterize bumps in time series of tag-activity on Meta Stack Exchange

Does the distribution $f(x) \propto (1-x^2)^{n/2}$ have a name?

How to call this frequentist interval estimate that is neither a prediction interval nor a confidence interval

Minimum-variance unbiased estimator to estimate quantiles when the errors are normal distributed

A new strain of covid-19 is 70% more infectious/transmissible. What does that mean and how has it been estimated/measured? [closed]

What is the origin of the term 'inverse probability'?

If a p-th standardized absolute moment for $X$ is higher than for $Y$, is this also true for other $p$?

Compounding a Gaussian distribution with variance distributed according to the absolute value of another Gaussian distribution

Is there a reason other than conventions why a CDF must be defined for all real numbers

Does independence of $X_i$ and $Y_j$ imply independence of vectors $\mathbf{X}$ and $\mathbf{Y}$?

What is a corresponding waiting time distribution if the number of events is negative binomial distributed

What is the history of the vertical bar symbol |

Intuition about a coupon problem were we ask for the distribution of the unique coupons when the number of draws is fixed

How to compute the gradient for a seperable nonlinear least squares problem?

Rubin's rule, applied to absolute effect size or relative effect size (Cohen's d)?

Power Analysis and the non central t distribution: what is the non-centrality parameter?