Alexis

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What is your favorite statistical graph?

data-visualization asked Jul 23, 2014 at 18:52

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39 votes

Should we address multiple comparisons adjustments when using confidence intervals?

confidence-interval multiple-comparisons inference asked Sep 9, 2014 at 19:09

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27 votes

Representing interaction effects in directed acyclic graphs

interaction causal-inference dag asked Jun 19, 2015 at 16:09

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24 votes

Plain language meaning of "dependent" and "independent" tests in the multiple comparisons literature?

multiple-comparisons independence intuition false-discovery-rate familywise-error asked Feb 12, 2015 at 1:01

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22 votes

Should the mean be used when data are skewed?

mean skewness median winsorizing central-tendency asked May 4, 2014 at 19:03

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22 votes

Which notation and why: $\text{P}()$, $\Pr()$, $\text{Prob}()$, or $\mathbb{P}()$

probability notation asked Jul 18, 2014 at 17:34

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22 votes

Does LASSO suffer from the same problems stepwise regression does?

regression feature-selection lasso regression-strategies stepwise-regression asked May 31, 2019 at 18:31

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21 votes

What kinds of statistical problems are likely to benefit from quantum computing?

computational-statistics quantum-computing asked Dec 31, 2017 at 15:51

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17 votes

Does it make sense to perform a one-tailed Kolmogorov-Smirnov test?

hypothesis-testing goodness-of-fit kolmogorov-smirnov asked Jul 11, 2014 at 23:17

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16 votes

"Dummy variable" versus "indicator variable" for nominal/categorical data

categorical-data terminology categorical-encoding asked Nov 26, 2014 at 18:09

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Top Answers

Is the COVID-19 pandemic curve a Gaussian curve?

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Why does frequentist hypothesis testing become biased towards rejecting the null hypothesis with sufficiently large samples?

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Assumptions of linear models and what to do if the residuals are not normally distributed

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What are some of the most common misconceptions about linear regression?

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What's the difference between the variance and the mean squared error?

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What is the relationship between $Y$ and $X$ in this plot?

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Why do we need to dummy code categorical variables?

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When should we discretize/bin continuous independent variables/features and when should not?

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Post-hoc tests after Kruskal-Wallis: Dunn's test or Bonferroni corrected Mann-Whitney tests?

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Understanding shape and calculation of confidence bands in linear regression

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Why are hypothesis tests still used when we have the bootstrap and central limit theorem?

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Backward selection for Cox model using R

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Are all continuous random variables normally distributed?

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Is a spline interpolation considered to be a nonparametric model?

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Is Fisher's LSD as bad as they say it is?

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How to fill in missing data in time series?

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Quitting after 5 years - miserable and depressed

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How to read the results of Dunn's test?

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Frequentist perspective of regression coefficients and significance (coming from Bayesian background)?

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Why is the sum of probabilities in a continuous uniform distribution not infinity?

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Can an instrumental variable equation be written as a directed acyclic graph (DAG)?

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Can Mann-Whitney test be used for post-hoc comparisons after Kruskal-Wallis?

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What is the difference between various Kruskal-Wallis post-hoc tests?

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Examples for Type I and Type II errors

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Stepwise binary logistic regression, Forward or Backward?

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False discovery rate of multiple regressions models

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How to do stepwise regression with a binary dependent variable?

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Why not use instrumental variable directly as a covariate in the regression?

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"Histomancy": What does McElreath propose we do instead?

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Investigating interaction

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