Questions tagged [communication]

Related to communication or explanation of statistical data, analyses, or concepts

15 questions with no upvoted or accepted answers
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How to justify a “complicated” regression model over a simpler model to a non-technical audience?

I find myself in the position of advocating for a linear mixed-effects model to estimate a trend to a non-technical audience. The subject of the regression model is a somewhat contentious topic and my ...
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62 views

What significant problems/solutions have you experienced working with software engineers?

This question is probably at least applicable for those of you that work in a commercial setting. I am working in a rather general way on process improvements with regards to communicating (or not ...
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33 views

How to best communicate model improvements to non-technical stakeholders?

Working on a project to improve a model, and I want to be able to communicate to non-technical people how much the model has improved with recent work. Here are example numbers showing the improvement:...
2
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1answer
151 views

Log likelihhood ratio with soft information

The log likelihood ratio of two binary random variables $x$ and $y$ (only taking values $0$ or $1$) can be defined as $LLR_x=\frac{P(x=0|y)}{P(x=1|y)}$ The above definition is OK if $y=0$ or $1$. ...
2
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1answer
162 views

Knowing when bootstrap calculations are invalid

I read these posts and their references: Recommended reading for understanding when the bootstrap will fail? Multiple samples vs. bootstrapping but I am failing to understand. Consider the ...
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0answers
102 views

Discussing R-squared of log-log model with a non-technical audience

I have been asked to report on the relationship between two right-skew financial variables using R-squared e.g. "market cap explain ?% of the variance in CEO compensation". The purpose of the ...
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0answers
39 views

Normalization and averaging the log likelihoods of a list decoder

I have a list decoder, that decodes the codeword and returns the lists of likelihood for codewords. I want to take the average of the codewords in the lists. Let's say the list size is 4, and i get ...
1
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0answers
64 views

What is the purpose of specifying a “control” in an A/B/N split test?

I define control as the currently accepted, best known variation. The test to be performed would introduce n new variations. Each variation will be served randomly for the duration of the test. I am ...
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64 views

Risk communication and in epidemiology

I have looked at the risk of hospital admission in the general population and in those with lung disease when exposed to an environmental toxin. The patients with lung disease are also part of the ...
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472 views

Excel: Data analysis for university rankings

I have some university rankings data where I am asked to analyze whether a higher %of one variable leads to a higher ranking in a particular area. What kind of statistical analysis should I use in ...
0
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1answer
25 views

Comment on the change in p-value following adjustment for confounders

The Second Australian National Blood Pressure Study (ANBP2) was a prospective, randomised, open-labelled, blinded to endpoint (PROBE) trial of Angiotensin Converting Enzyme (ACE) inhibitors versus ...
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9 views

Estimation and detection in communication problem?

I just want to get clear conceptually about the difference between detection and estimation in terms of a communication problem. Suppose I have a source and a destination. The source transmits binary ...
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168 views

Dendrogram with 3 types of interactions - alternative to hierarchical clustering

I have a matrix of interactions (1), avoidance (-1) and no interaction (0). I would like to cluster the matrix. I used hierarchical clustering but I was not very satisfied with the results. Any ...
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28 views

The name for data reported by an interested party like a manager, parent, or doctor?

Can anyone help me find the right name for something? I get that we have "self-reported data", where a member of your sample is reporting their own values of a variable, but is there a name for data ...
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1k views

What is the difference between noiseless and AWGN channels in terms of channel capacity?

What is the difference between noiseless and additive white Gaussian noise (AWGN) channels in terms of channel capacity?