user avatar
user avatar
user avatar
user303375
  • Member for 1 year, 8 months
  • Last seen more than a week ago
  • Cambridge, MA, USA
322 votes
13 answers
186k views

How to understand degrees of freedom?

  • 18.1k
65 votes
2 answers
28k views

What is the difference between a partial likelihood, profile likelihood and marginal likelihood?

  • 52.9k
27 votes
4 answers
26k views

What is the difference between $E(X|Y)$ and $E(X|Y=y)$?

  • 381
16 votes
2 answers
5k views

What is the difference between conditioning on regressors vs. treating them as fixed?

  • 917
14 votes
1 answer
16k views

Distribution of sum of squares error for linear regression?

  • 1,121
14 votes
4 answers
10k views

How does the distribution of the error term affect the distribution of the response?

  • 5,655
12 votes
2 answers
6k views

Left skewed vs. symmetric distribution observed

  • 5,655
12 votes
4 answers
3k views

What is a random variable and what isn't in regression models

  • 255
5 votes
5 answers
315 views

confusion about individual notation

  • 415
4 votes
1 answer
3k views

Degrees of freedom in regression

2 votes
2 answers
222 views

$X$ fixed in a linear regression

2 votes
2 answers
64 views

This theorem is the same as the plug-in estimator?

  • 507
1 vote
1 answer
801 views

Chi-Square degrees of freedom confusion

0 votes
1 answer
822 views

Estimating error - residuals vs. fitted values plot

  • 112