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LJNG
  • Member for 4 years, 2 months
  • Last seen more than a month ago
  • Australia
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Analysis is cool

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question
4
Interpretation of p-values in a factor with multiple levels (summary.lm)
May 24, 2021
question
4
some thought about independence and orthogonal, please comment on this if it's wrong
Mar 10, 2022
question
3
Multicollinearity and control variables dilemma
Feb 6
question
2
why use dummy variable? If just focusing one specific group, can I avoid dummy and shrinking the dataset?
Oct 23, 2021
question
2
Why does overall-F-test is considering right tailed only?
Oct 26, 2021
question
1
confidence interval and interpretation[further duplicated] [duplicate]
Jul 12, 2020
question
1
How to state null and alternative hypotheses for one and two-sided tests
Aug 18, 2021
question
1
How to show $Cov(\hat{\beta_1},\hat{\beta_2})=Var(\hat{\beta_0})$
Sep 24, 2021
question
1
Why does $E(\epsilon_ix_i)$ have the best linear predictor and $E(\epsilon_i|x_i)$ have the best predictor
Mar 20, 2022
question
1
If $X\in\{0,1\}$, then $\frac{cov(X,Y)}{Var(X)}=\mathbb{E}(Y|X=1)-\mathbb{E}(Y|X=0)$
Jun 2, 2022
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Walter Rudin's proof: countable union of countable sets is countable