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PaulG's user avatar
PaulG's user avatar
PaulG
  • Member for 4 years, 1 month
  • Last seen more than a month ago
10 votes
Accepted

Under what circumstances can an improper prior be used in bayesian analysis?

8 votes

Is this possible that $Cor(X, Y)=0.99$, $Cor(Y, Z)=0.99$ but $Cor(X, Z)=0$?

6 votes
Accepted

Test null hypothesis that the mean value is less than 60

5 votes

Why does a bagged tree / random forest tree have higher bias than a single decision tree?

4 votes

OLS estimators are independent of the scale of the predictor data

4 votes

Understanding the causes and implication of heteroskedasticity

4 votes

Interpreting interaction term when X1 effect on Y depends on X2 but X2 effect on Y does not depend on X1

3 votes

Source recommendation for statistical modeling: theoretical and practical aspects

3 votes

Am I understanding critical value and p-value correctly?

3 votes
Accepted

How to interpret the transformation guide for fitting linear regression?

3 votes

in Gradient Boosting, why are new trees, fit to the gradient of loss function instead of residual

3 votes

Under which assumptions a regression can be interpreted causally?

3 votes
Accepted

Conditional expection of a lognormal process

2 votes

Test the hypothesis that the performances of k machine learning models on the same test set is the same

2 votes

Time series - Weird graph

2 votes

Summation of i.i.d. Normal Random Variables

2 votes

Creating new function in R equivalent to the lm() for finding coefficients b0 and b1

2 votes

Hypothesis testing business case study: does this make sense?

2 votes

Statistical test for comparing CPU speed between two models

1 vote
Accepted

How to evaluate Smooth L1 Loss, Huber Loss, etc.?

1 vote
Accepted

Confounding variables VS i.i.d assumption

0 votes
Accepted

How to compute the confidence interval for the Difference of Two Means with unknown variance?

0 votes

Residual Analysis For Plots

0 votes

Which order we should use to drop insignificant regressor in a linear regression model?

0 votes

Proof that log-odds minimize binomial deviance

0 votes
Accepted

Solving for Z when Z^T Z = A using R

0 votes

How to calculate the interannual variability and Seasonal Amplitude?

0 votes

Intuitive understanding of least squares slope formula

0 votes

Arch models: dependence and squared residuals

0 votes

How to define degree of freedom for Ljung Box text?