Cross Validated Questions, Problems & Solutions : TransWikia.com ~ Page 30

How to explain a multilevel model bias towards one of the levels?

My multilevel model's 2 levels consist of land surface images and meteorological readings from different places. The readings are level 2, with 7 variables and 1 observation per group. The...

Asked on 11/26/2021 by Ronny Efronny

0 answer

Select a sample size form the infinite population

I have a list of every store chain in the US with at least 100 locations in the US.a) What number of those do I have to pick in...

Asked on 11/26/2021 by Effective Learning

1 answer

Interpreting coefficients of ordinal independent variables in logistic regression in R

I have conducted a logistic regression in R> Model <- glm(A ~ B + C, family = "binomial", data = Data)> summary(Model)Coefficients: ...

Asked on 11/26/2021

1 answer

Modelling the probability of class membership using k-NN and associated distances

I have a Euclidean space in which observations of a similar class are close and usually non-intersecting. I use k-NN to then classify new samples. What I currently do is...

Asked on 11/26/2021 by Alexis Drakopoulos

0 answer

Cox regression for non-repeated events with panel data

I have a question with regard to the research design for a research paper I´m writing on. The data comes in the following form:Country Dep.Var...

Asked on 11/26/2021 by philipp.kn_98

0 answer

Differentiable PCA?

Is there a differentiable method for dimensionality reduction that is either based on PCA or has the properties of:Mathematically or algorithmically defined, e.g. not trained like an ML model or...

Asked on 11/26/2021 by Yaoshiang

0 answer

How to forecast with certain conditions

I have a doubt about forecasting analysis. Let's say I have a "time" variable and a "budget" variable. I would like to build two model:time series model where I forecast...

Asked on 11/24/2021

1 answer

Physical/pictoral interpretation of higher-order moments

I'm preparing a presentation about parallel statistics. I plan to illustrate the formulas for distributed computation of the mean and variance with examples involving center of gravity and moment of...

Asked on 11/24/2021 by James Koppel

1 answer

Dimensionality reduction of small vectors (image processing)

I have N small floating point vectors of length K (typically, N is in the millions and K=9). I need to compute a lot (millions and millions) of squared euclidean...

Asked on 11/24/2021

1 answer

Linear Mixed Models and ANOVA

1) What is the difference between conducting a Linear Mixed Models and an ANOVA? 2) In which circumstances do we conduct a Linear Mixed Models Analysis? ...

Asked on 11/24/2021 by user39531

1 answer

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