# Questions tagged [checking]

very ambiguous, try to find a more descriptive tag, like *diagnostic* or *residuals* or *model-evaluation* ...

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### Can't reproduce closed form expression from sequential testing

I've been trying to implement and extend some results from the papers "Always Valid Inference" and "Peeking at A/B Tests". The authors provide a closed form expression of the "...
416 views

### Solutions to 'Statistical Learning with Sparsity'

I've recently been working through Statistical Learning with Sparsity (SLS) by Hastie, Tibshirani and Hastie. I found some exercises very hard, and think I found some mistakes. A set of solutions ...
35 views

### Checking model, the same variance, in one-way ANOVA test

\begin{array} {|r|r|}\hline A & B & C \\ \hline 24 & 21 & 16 \\ \hline 18 & 26 & 22 \\ \hline 27 & 32 & 19 \\ \hline 28 & 25 & 17 \\ \hline \end{array} At the ...
1 vote
48 views

### Solution verification for an equation of exponentially distributed random variables

Given two i.i.d. random variables $X,Y$, such that $X\sim \exp(1), Y \sim \exp(1)$. I am looking for the probability $\Phi$. However, the analytical solution that I have got does not match with my ...
• 534
166 views

### Constant-information scale transformation

I was recently introduced to the concept of constant information scale transformations in the book Generalized Linear Model with Examples in R, by Dunn and Smyth. With that, they mention in the book ...
187 views

### Foundations behind Linear Regression / Statistical Modelling

I've always struggled with the foundations behind the concept of modelling (and specifically regression) - what is random, what is not, what we are modelling. I think I have a grasp of it - but I'd ...
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