Cross Validated Questions, Problems & Solutions : TransWikia.com ~ Page 83

How to model count data with decay

I'm trying to understand how I might model count data where there's diminishing marginal utility and a stochastic process. So, let's say we're modeling the number of "useful intelligence...

Asked on 10/15/2020 by Learning stats by example

0 answer

Seeking Explanation of how this ANCOVA result in R shows the group means are not equal

I am looking for an explanation as to how the ANCOVA results, below, show that the means of the groups defined by IndVar1 and IndVar2 are not equal, after accounting...

Asked on 10/13/2020 by Kyle

2 answer

Why are my coefficients too large when control variables are not added?

I am doing a difference in differences analysis with staggered treatment time. Since the treatment time is different among subjects, I made my matrices look something like this from this...

Asked on 10/10/2020 by kyrhee

1 answer

Statistical line comparison

I have a dataset like the one in this question, i.e,interval mean Drug lower upper14 0.004 ...

Asked on 10/06/2020 by Mobeus Zoom

1 answer

When running a reliability analysis (using Cronbach's alpha) in SPSS, what does "scale" refer to? Do I have to compute a scale explicitly beforehand?

Is the scale meant to represent the sum of responses (each response is an element of, say, the set {1, 2, 3, 4, 5}) of a case (an individual) to...

Asked on 10/04/2020 by Nada Al-Iskandaraniyyah

0 answer

In a 2 class problem how do I compute the normalization constant for finding the posterior distributions?

I have a two-class problem. Let's call the first class W1 and the second W2. I am trying to find the posterior distributions of both W1 and W2. I know...

Asked on 10/02/2020 by anonymous

0 answer

Using percentage change with different sample sizes, which is more significant?

I have some data that is looking at Virtual vs. Face to Face appointments (at a hospital) - please see data in pic below. This is split by first appointments...

Asked on 09/30/2020 by Katie Fenton

0 answer

Python Random Forest Prediction Probabilities Reliability, Overfitting?

TLDR: RF prediction probabilities are not consistent I have created a calibrated Random Forest Model to predict probabilities for attrition of the workforce, but what I am finding is that...

Asked on 09/24/2020 by rkhan8

0 answer

Euclidean distance score and similarity

I'm just working with the book Collective Intelligence (by Toby Segaran) and came across the Euclidean distance score. In the book the author shows how to calculate the similarity between...

Asked on 09/24/2020 by navige

4 answer

How could I understand the Self-critical sequence training (SCST) model?

While reading this awesome paper I got stuck to understand the SCST model as depicted bellow: My questions...

Asked on 09/22/2020

1 answer

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