0
votes
0answers
65 views
+50

Can an estimator be found for a function?

I have to find an estimator for the sum of the spatial distance between image pixels. Available is the data in $R^M$ space consisting of the Euclidean distances, $d^M(\mathbf{z_i}) $= ...
0
votes
0answers
100 views
+50

Recurrent Neural Network (LSTM) Questions

I am coding an RNN-LSTM module, and I have the following questions: 1) In non-linear input like one-hot-encoded words, you use an extra sign (like <eol>) at ...
0
votes
1answer
54 views
+50

PCA/factor analysis of mixed (quantitative + qualitative) data: inconsistent results

I have a dataset composed of 4 variables, 2 being numerical and 2 categorical (ordinal in fact). They all represent 4 types of indicators/measures of the same phenomenon . I want to analyse them in a ...
2
votes
0answers
54 views
+50

What's the relationship between the generalized squared multiple correlation and SEM explained variance?

I am testing this model. The value of .23 above the timedrs is the squared multiple correlation for that variable. I also ran the same analysis as two multi-step regressions. The results came out ...
5
votes
2answers
108 views
+100

When interpreting interactions in a factorial ANOVA, is it necessary to look at the residual cell means?

In their 1989 paper "Definition and Interpretation of Interaction Effects", Rosnow & Rosenthal write: When interaction is claimed in a factorial arrangement, the results almost always ...
0
votes
1answer
53 views
+50

Combination of two SVM Kernels

According to the book "Support Vector Machines" from Cristianini and Shawe-Taylor, it is feasible to make kernels from kernels. My question is now more in application of this methods with tools like ...
2
votes
0answers
66 views
+50

Determining the effect of number of likes

Let's say I have marketing data and I need to determine how effective the marketing is. The marketing strategy is to publish facebook posts at inconsistent intervals. The goal is to see how the ...
0
votes
0answers
20 views
+50

Using simulated data to check when patterns in GLMM residual plots are acceptable

I have run the following Poisson GLMM: ...
0
votes
0answers
36 views
+50

Data augmentation techniques for general datasets?

In many machine learning applications, the so called data augmentation methods have allowed building better models. For example, assume a training set of $100$ images of cats and dogs. By rotating, ...
1
vote
0answers
91 views
+50

GLMM with 2 insignificant variables has lower AIC or BIC compared to same model without those variables…?

Background This post has been heavily edited from its previous version (three months ago). I am investigating habitat selection of 35 territorial wolves over several years of denning seasons (41 ...
0
votes
1answer
47 views
+100

Regression multiple customers per month

I have a file with sales for one complete year. Multiple customers, month number and total sales (per customer): ...