Waldir Leoncio

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17 Questions

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33k

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How to interpret dendrogram height for clustering by correlation

r correlation hierarchical-clustering

May 15 '17 at 15:29 gung - Reinstate Monica 131k

votes

answer

19k

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How do I interpret the Mann-Whitney U when using R's formula interface

r nonparametric wilcoxon-mann-whitney-test

Jul 26 '13 at 16:05 Waldir Leoncio 2,117

votes

answers

views

Best way to test runs

r nonparametric kolmogorov-smirnov-test randomness

Nov 11 '16 at 23:20 Glen_b 253k

vote

answers

views

Scaling normal $X$ into (0, 1) range whist maintaining distribution shape

probability normal-distribution data-transformation uniform-distribution

Mar 7 '17 at 9:28 CommunityBot 1

vote

answers

views

Should I ignore negative prediction values?

r time-series forecasting count-data prediction-interval

Aug 19 '15 at 22:04 CommunityBot 1

votes

answer

693

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Multivariate Normal : expectation of X given Y is doubly-truncated

conditional-expectation multivariate-normal-distribution

Jan 3 '19 at 11:53 probabilityislogic 22.3k

votes

answer

640

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Calculating regression coefficients from the covariance matrix involving categorical variables

r regression regression-coefficients ordinal-data covariance-matrix

Dec 28 '18 at 12:10 Waldir Leoncio 2,117

votes

answer

448

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Can a covariance matrix be recalculated for dummy variables?

binary-data covariance-matrix categorical-encoding

Oct 12 '18 at 13:11 Ferdi 4,772

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answer

437

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Analytical solution to the covariance between a continuous and a categorical variable

categorical-data expected-value covariance covariance-matrix conditional-expectation

Feb 12 '19 at 11:28 Davide Giraudo 2,102

votes

answers

363

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Support of likelihood ratio test statistic

self-study likelihood-ratio neyman-pearson-lemma

Jun 14 '16 at 14:31 whuber♦ 272k

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answers

358

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How to integrate out a continuous r.v. from a mixed joint density

conditional-probability density-function joint-distribution cumulative-distribution-function

Jan 17 '18 at 8:34 amoeba 91.1k

votes

answer

348

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Change in output depending on mirt version

r item-response-theory

Nov 21 '17 at 21:34 kjetil b halvorsen♦ 60.2k

votes

answer

345

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How to get from $R$ to $R^2$ the hard way

self-study r-squared

Jul 30 '13 at 11:32 Waldir Leoncio 2,117

votes

answer

231

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How to calculate the covariance matrix for a categorized variable?

covariance ordinal-data covariance-matrix discrete-data

Jan 1 '19 at 11:57 Waldir Leoncio 2,117

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answer

125

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Detecting heterogeneity in groups

r confidence-interval outliers proportion group-differences

Aug 28 '20 at 20:50 kjetil b halvorsen♦ 60.2k

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Correction for sampling from infinite population?

sampling simulation finite-population

Aug 30 '19 at 13:21 whuber♦ 272k

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answers

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Asymptotic distribution of intraclass correlation

distributions asymptotics intraclass-correlation f-distribution

Oct 15 '19 at 10:20 Waldir Leoncio 2,117

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17 Questions

How to interpret dendrogram height for clustering by correlation

How do I interpret the Mann-Whitney U when using R's formula interface

Best way to test runs

Scaling normal $X$ into (0, 1) range whist maintaining distribution shape

Should I ignore negative prediction values?

Multivariate Normal : expectation of X given Y is doubly-truncated

Calculating regression coefficients from the covariance matrix involving categorical variables

Can a covariance matrix be recalculated for dummy variables?

Analytical solution to the covariance between a continuous and a categorical variable

Support of likelihood ratio test statistic

How to integrate out a continuous r.v. from a mixed joint density

Change in output depending on mirt version

How to get from $R$ to $R^2$ the hard way

How to calculate the covariance matrix for a categorized variable?

Detecting heterogeneity in groups

Correction for sampling from infinite population?

Asymptotic distribution of intraclass correlation