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Cross Validated : Recent Questions and Answers (Page 4)

Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.

Categorizing river discharge data

I'm struggling with figuring out the best way to break up my river discharge data in a way that I can use it as a factor for further analysis. I'm...

Asked on 01/03/2022 by fishchick

How does the effect size inform the design (or analysis) of an NHST?

Consider this answer on how to design an NHST. I don't quite understand what exact process one is supposed to follow to determine the minimum sample size once...

Fixed effects with panel data vs including lagged variables with cross section data

I have panel data with many groups $i$ and two time periods $t$.I want to know the effect of a binary treatment $D$ on a continuous...

Asked on 01/03/2022 by gannawag

Why does BERT has a limitation of only allowing the maximum length of the input tokens as 512?

I have seen BERT was one of the state-of-the-arts word embedding method in 2018 and then XLNet is proposed in 2019 to take care of the limitations of BERT. I...

Quantifying the universal approximation theorem

Let $mgeq 1$ be an integer and $Fin mathbb{R}[x_1, dots, x_m]$ be a polynomial. I want to approximate $F$ on the unit hypercube $[0, 1]^m$ by...

Asked on 01/03/2022 by ofow

Do we update a priori distribution somehow?

I'm trying to understand Bayesian statistics. Recently I asked here whether we estimate paramteres of a priori distribution in bayesian statistics. I was responded that we typically don't estimate them...

Asked on 01/03/2022 by P Lrc

Averaging quarterly level data to the annual level

From the Quarterly Workforce Indicators, I have obtained a measure of data measured at the quarterly level for earnings and employment. so in each quarter, they take the total earnings,...

How to interpret GLMM results?

My question is related with my previous post Extract variance of the fixed effect in a glmm.However, in this case I change the model that the GLMM follow....

Proper cross validation for stacking models

Lets assume that we have dataset that contains continuous variable $Y$ which we want to predict and 10 predictors $X_{1}, ..., X_{10}$. The number of observations is $n=1000$. I have...

Asked on 01/01/2022 by Tomek Tarczynski

Iterative regression

What's the correct term for regression where you first regress on one input variable (feature), take the errors, regress on the next feature, etc.? In what specific cases is this...

Asked on 01/01/2022 by Baron Yugovich