User Gregg H

13 votes

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What distribution do I get when I square numbers from a normal distribution and add them together?

answered Apr 15, 2023 at 15:44

10 votes

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Hypothesis testing: Null Hypothesis for one-sided tests

answered Apr 22, 2018 at 14:16

9 votes

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Estimating mean and SD given the median and IQR values

answered Jul 15 at 19:11

8 votes

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How to understand SE of regression slope equation

answered Apr 25, 2018 at 13:03

7 votes

What does this notation mean: $F$ at the matrix norm and $Q$ under the $\arg\min$

answered Jul 10, 2019 at 14:00

7 votes

Confused about Residual Degree of Freedom?

answered Apr 12, 2018 at 1:03

6 votes

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Peculiarities and semantics of ANOVA

answered Apr 8, 2018 at 13:56

6 votes

is the difference of two positive definite matrices also positive definite?

answered Mar 29, 2018 at 23:27

6 votes

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Why don't we use normal distribution in every problem?

answered May 29, 2023 at 14:41

6 votes

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When to convert an ordinal variable to a binary variable?

answered Mar 22, 2022 at 23:47

5 votes

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How to interpret a polychoric correlation?

answered Mar 23, 2022 at 0:51

5 votes

How do you find the sample size given R output that omits the degrees of freedom?

answered May 13, 2023 at 13:44

5 votes

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Conditional probability of having intellectual disability

answered May 26, 2023 at 11:54

5 votes

Linear regression: dependent variable is the multiplication of two independent variables

answered Oct 3 at 14:08

5 votes

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Should standardization be done using leave-one-out?

answered Jun 23, 2019 at 17:24

5 votes

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Test the difference between two (genetic) correlations, when only standard errors and z-statistics are available

answered Jul 3, 2019 at 12:32

4 votes

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Why don't we average Confidence Intervals?

answered Apr 7, 2018 at 13:37

4 votes

Are residuals "predicted minus actual" or "actual minus predicted"

answered Apr 24, 2018 at 13:36

4 votes

Comparing odds ratios

answered Mar 28, 2018 at 18:51

4 votes

Estimating the effect size in polynomial regression

answered Apr 2, 2018 at 16:04

4 votes

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OLS Regression transformation where the sum of the independent variables is part of the dependent variable

answered Sep 15 at 15:09

4 votes

Kolmognorov Smirnov test p values is 0

answered Jul 3, 2023 at 14:11

4 votes

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How to calculate effect size based on percentage and sample size?

answered May 4, 2023 at 13:02

3 votes

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At loss regarding a suitable hypothesis test for proportions in the same population

answered May 12, 2023 at 12:50

3 votes

Is there sense to be made for two-tailed T-test and OLS of two variables?

answered Apr 27, 2023 at 15:03

3 votes

Is homoscedasticity an assumption for Pearson's correlation?

answered Apr 8, 2022 at 0:26

3 votes

How do Fractional Factorial Designs relate to 'Response Surface Methodology'?

answered Apr 4, 2023 at 14:31

3 votes

Generating a bootstrap simulation of the response in regression

answered Apr 8, 2023 at 13:02

3 votes

Why different results for linear regression in sem() from lavaan and lm()?

answered Aug 1 at 14:47

3 votes

What are several examples of survey questions which have response options designed as mutually exclusive when they are not?

answered May 28, 2023 at 21:19

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224 Answers

What distribution do I get when I square numbers from a normal distribution and add them together?

Hypothesis testing: Null Hypothesis for one-sided tests

Estimating mean and SD given the median and IQR values

How to understand SE of regression slope equation

What does this notation mean: $F$ at the matrix norm and $Q$ under the $\arg\min$

Confused about Residual Degree of Freedom?

Peculiarities and semantics of ANOVA

is the difference of two positive definite matrices also positive definite?

Why don't we use normal distribution in every problem?

When to convert an ordinal variable to a binary variable?

How to interpret a polychoric correlation?

How do you find the sample size given R output that omits the degrees of freedom?

Conditional probability of having intellectual disability

Linear regression: dependent variable is the multiplication of two independent variables

Should standardization be done using leave-one-out?

Test the difference between two (genetic) correlations, when only standard errors and z-statistics are available

Why don't we average Confidence Intervals?

Are residuals "predicted minus actual" or "actual minus predicted"

Comparing odds ratios

Estimating the effect size in polynomial regression

OLS Regression transformation where the sum of the independent variables is part of the dependent variable

Kolmognorov Smirnov test p values is 0

How to calculate effect size based on percentage and sample size?

At loss regarding a suitable hypothesis test for proportions in the same population

Is there sense to be made for two-tailed T-test and OLS of two variables?

Is homoscedasticity an assumption for Pearson's correlation?

How do Fractional Factorial Designs relate to 'Response Surface Methodology'?

Generating a bootstrap simulation of the response in regression

Why different results for linear regression in sem() from lavaan and lm()?

What are several examples of survey questions which have response options designed as mutually exclusive when they are not?