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Sergio's user avatar
Sergio's user avatar
Sergio
  • Member for 10 years, 2 months
  • Last seen more than a month ago
12 votes
Accepted

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

1 vote

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

6 votes
Accepted

Significance of Regression Intercept (R lm model)

1 vote

Understanding regression model with and without intercepts

1 vote

Introduction to statistical learning Ch. 3 Pages 65-66

1 vote
Accepted

Question about random sample vs support

0 votes
Accepted

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

2 votes

Large sample size for t-test

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

1 vote

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

0 votes

Intuition for relationship between variance of geometric and exponential distributions

3 votes

What is the best introductory Bayesian statistics textbook?

1 vote

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

2 votes

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

0 votes

Show change of expression of sample variance and explain the distribution

1 vote
Accepted

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

1 vote
Accepted

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?

1 vote

Unintuitive result: Multiple Linear Regression coefficients

1 vote

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

0 votes

Unintuitive result: Multiple Linear Regression coefficients

2 votes

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

2 votes
Accepted

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

1 vote
Accepted

Is the conditional (chain rule) of probability interchangeable?

4 votes

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

1 vote
Accepted

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

2 votes
Accepted

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

1 vote
Accepted

Can't Follow the Algebra in a Estimator MSE Comparison

2 votes
Accepted

Why are interaction terms multiplicative in linear regression?

1 vote

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

4 votes
Accepted

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

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