User Sergio

12 votes

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Are "random sample" and "iid random variable" synonyms?

answered May 18, 2014 at 15:17

1 vote

What is the correct notation for stating that random variables X and Y are independent?

answered Jun 1, 2020 at 19:57

6 votes

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Significance of Regression Intercept (R lm model)

answered May 19, 2014 at 14:36

1 vote

Understanding regression model with and without intercepts

answered Jul 15, 2021 at 23:15

0 votes

Introduction to statistical learning Ch. 3 Pages 65-66

answered Jul 14, 2021 at 22:36

1 vote

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Question about random sample vs support

answered Apr 3, 2021 at 22:08

0 votes

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linearity in parameter assumption - implication for the Gauss-Markov theorem

answered Mar 22, 2021 at 23:43

2 votes

Large sample size for t-test

answered Jul 5, 2014 at 8:17

0 votes

How to show that the variance of an estimator of a model without intercept is neccessary smaller than the var of one with an intercept

answered Jan 27, 2021 at 13:20

1 vote

Is Least Squares estimator for linear model the unique minimum variance unbiased estimator for a linear model?

answered Jan 25, 2021 at 15:16

0 votes

Intuition for relationship between variance of geometric and exponential distributions

answered Sep 29, 2020 at 10:25

3 votes

What is the best introductory Bayesian statistics textbook?

answered Sep 27, 2020 at 7:49

1 vote

How to show $\rho(\beta_0, \beta_1) \leq 0$?

answered Sep 24, 2020 at 20:45

2 votes

Why are Poisson distribution and Exponential distribution special case of Gamma distribution?

answered Sep 19, 2020 at 11:08

0 votes

Show change of expression of sample variance and explain the distribution

answered Sep 15, 2020 at 16:56

1 vote

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Example 2.2.2 fromAn Introduction to Generalized Linear Models. Show $Y_{j k}, \bar{Y}_{j}, \hat{\beta}_{j} $ are all independent

answered Sep 13, 2020 at 22:46

1 vote

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How to derive the covariance matrix between $\bar{y}$ and $\hat{\beta_c}$ where $\hat{\beta_c}$ is the OLS estimator of a linear model?

answered Sep 13, 2020 at 16:22

1 vote

Unintuitive result: Multiple Linear Regression coefficients

answered Sep 12, 2020 at 0:32

1 vote

Why does pre-summing variables lead to a different OLS fit?

answered Sep 11, 2020 at 20:27

0 votes

Unintuitive result: Multiple Linear Regression coefficients

answered Sep 11, 2020 at 21:06

2 votes

Can I see i.i.d. variables as just one?

answered Sep 11, 2020 at 10:59

2 votes

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Question about the right inverse method in a GLM of order 2

answered Sep 10, 2020 at 17:55

1 vote

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Is the conditional (chain rule) of probability interchangeable?

answered Sep 10, 2020 at 22:48

4 votes

Standard error for individual linear regression predictions- what on earth is it?

answered Sep 8, 2020 at 10:29

1 vote

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Question about estimating the standard error of the regression- notation and intuition

answered Sep 7, 2020 at 21:37

2 votes

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Expected vallue calculation of i.i.d. random variables

answered Sep 7, 2020 at 7:14

1 vote

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Can't Follow the Algebra in a Estimator MSE Comparison

answered Sep 6, 2020 at 15:41

2 votes

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Why are interaction terms multiplicative in linear regression?

answered Sep 5, 2020 at 18:57

1 vote

Can I use an exogenous variable from my model as an instrumental variable?

answered Sep 5, 2020 at 16:23

4 votes

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Exogenity: What does E(eX) really mean and why is it used?

answered Sep 4, 2020 at 21:28

Stack Exchange Network

146 Answers

Are "random sample" and "iid random variable" synonyms?

What is the correct notation for stating that random variables X and Y are independent?

Significance of Regression Intercept (R lm model)

Understanding regression model with and without intercepts

Introduction to statistical learning Ch. 3 Pages 65-66

Question about random sample vs support

linearity in parameter assumption - implication for the Gauss-Markov theorem

Large sample size for t-test

How to show that the variance of an estimator of a model without intercept is neccessary smaller than the var of one with an intercept

Is Least Squares estimator for linear model the unique minimum variance unbiased estimator for a linear model?

Intuition for relationship between variance of geometric and exponential distributions

What is the best introductory Bayesian statistics textbook?

How to show $\rho(\beta_0, \beta_1) \leq 0$?

Why are Poisson distribution and Exponential distribution special case of Gamma distribution?

Show change of expression of sample variance and explain the distribution

Example 2.2.2 fromAn Introduction to Generalized Linear Models. Show $Y_{j k}, \bar{Y}_{j}, \hat{\beta}_{j} $ are all independent

How to derive the covariance matrix between $\bar{y}$ and $\hat{\beta_c}$ where $\hat{\beta_c}$ is the OLS estimator of a linear model?

Unintuitive result: Multiple Linear Regression coefficients

Why does pre-summing variables lead to a different OLS fit?

Unintuitive result: Multiple Linear Regression coefficients

Can I see i.i.d. variables as just one?

Question about the right inverse method in a GLM of order 2

Is the conditional (chain rule) of probability interchangeable?

Standard error for individual linear regression predictions- what on earth is it?

Question about estimating the standard error of the regression- notation and intuition

Expected vallue calculation of i.i.d. random variables

Can't Follow the Algebra in a Estimator MSE Comparison

Why are interaction terms multiplicative in linear regression?

Can I use an exogenous variable from my model as an instrumental variable?

Exogenity: What does E(eX) really mean and why is it used?