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

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2
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1answer
40 views

Is the margin of error for a survey a “fake” statistic?

When I conduct a survey for a client, they are often very concerned about the margin of error for the survey, and that’s totally reasonable. Oftentimes however, when they say, “We want a margin of ...
0
votes
2answers
43 views

How do I interpret & present Meta Analysis Report to Non-Statisticians?

I have a Meta analysis report & I have to present the findings of the report to non-statisticians. There are 2 treatment groups & 5 endpoints. How do I explain pooled odds ratio, forest ...
2
votes
0answers
32 views

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 ...
4
votes
0answers
62 views

Find the input/output probability distributions that realize the capacity of communications channel?

Consider two random variables $X,Y$. For simplicity, they are discrete and finite. Let $Q(y|x)$ be the conditional probability of $Y$ given $X$. Their mutual information is defined as: ...
0
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0answers
4 views

Explaining the importance of choosing a target variable

A common challenge of late is creating clarity with clients on the importance of correctly and clearly choosing a target variable for a model based on the desired outcomes they are trying to achieve. ...
2
votes
1answer
62 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 ...
1
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0answers
18 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 ...
7
votes
1answer
476 views

Good examples of statistics sections in applied academic journal articles

I am a biostatistician working in an applied field and I am responsible for writing the statistics methods section for the papers I collaborate on. In reading a lot of academic papers I've come ...
1
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0answers
44 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 ...
24
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1answer
482 views

Beautifully written papers

From David Salsburg's book The lady tasting tea: Although the reader may not believe it, literary style plays an important role in mathematical research. Some mathematical writers seem unable ...
0
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0answers
369 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?
3
votes
1answer
132 views

Standards on presenting graphs and charts in vector format?

In his up-voted answer to Software needed to scrape data from graph, Alexey writes (with respect to the need for data scraping off of raster graphs) "But nowadays the good practice is to publish ...
1
vote
0answers
189 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 ...
5
votes
1answer
3k views

How do support vector machines avoid overfitting?

I understand that in the dual form of the model for support vector machines, the feature vectors are expressed only as a dot product. Mapping the feature vectors to a higher dimensional space can ...
8
votes
2answers
2k views

Differences between logistic regression and perceptrons

As I understand, a perceptron/single-layer artificial neural network with a logistic sigmoid activation function is the same model as logistic regression. Both models are given by the equation: $F(x) ...
16
votes
4answers
3k views

How to best visualize differences in many proportions across three groups?

I'm trying to visually compare how three different news publications cover different topics (determined through an LDA topic model). I have two related methods for doing so, but have received lots of ...
10
votes
2answers
4k views

How to describe or visualize a multiple linear regression model

I'm trying to fit a multiple linear regression model to my data with couple of input parameters, say 3. \begin{align} F(x) &= Ax_1 + Bx_2 + Cx_3 + d \tag{i} \\ &\text{or} \\ F(x) &= ...
10
votes
7answers
5k views

How would you explain statistical significance to people with no statistical background?

Background: I had to perform a data analysis for a client (some kind of lawyer) who was an absolute beginner in statistics. He asked me what the term "statistical significance" means and I really ...
2
votes
1answer
979 views

Average partial effects

I need to explain what average partial effects (APEs) are to a very general non-statistical audience (i.e. the APEs derived from a probit model). I have tried to define APEs using layman's terms but I ...
3
votes
1answer
144 views

How to communicate regression model performance to non-stats people?

In R I created a gradient boosted random forest from 100,000 records with 10 cross validation folds using the gbm library. I want to communicate the strength and ...
3
votes
2answers
174 views

What is the name for the test whose results are printed by summary.lm (in R)?

I understand that the output of, for example, summary(lm(Fertility ~ . , data = swiss)) is a table of $\hat\beta$s, standard errors, t-statistics, and p-values for ...
4
votes
2answers
263 views

How would you explain logit coefficients to someone with no statistical background

Similar question here. The question I highlighted above provides an overview of how generalized linear models work. However, I find people often want more and ask about how the coefficients were ...
7
votes
2answers
198 views

How could I visualise the importance of different inputs to the forecast for a black-box non-linear model?

I am building an interactive forecast tool (in python) as an aid to forecasting that is done in my organisation. To date the forecast process has been largely human driven, with forecasters ...
9
votes
5answers
327 views

Representing experimental data

I have an argument with my advisor over data visualization. He claims that when representing experimental results, the values should be plotted with "markers" only, as presented in the image bellow. ...
9
votes
3answers
6k views

Number of significant digits to report

Is there a more scientific way of determining the number of significant digits to report for a mean or a confidence interval in a situation which is fairly standard - e.g. first year class at college. ...
1
vote
3answers
173 views

How to communicate “very negative” parameter estimate in paper?

I'm currently writing a thesis and I have to interpret a coefficient estimate that's extremely negative compared to what I hypothesized. How do I best communicate this? Describing it as ...
31
votes
10answers
3k views

Are there any good popular science book about statistics or machine learning?

There a bunch of really good popular science books around, that deal with real science, as well as the history and reasons behind current theories, while remaining extremely enjoyable to read. For ...
29
votes
2answers
18k views

How to present results of a Lasso using glmnet?

I would like to find predictors for a continuous dependent variable out of a set of 30 independent variables. I am using Lasso regression as implemented in the glmnet package in R. Here is some dummy ...
5
votes
2answers
339 views

Risk assesment and non-statistician's perception of percentages

I'm planning on doing quantile regression for estimating pain relief after hip surgery. My aim is to construct for my patients information in this format: 4 out of 5 patients experience with your ...
10
votes
3answers
10k views

How would you explain generalized linear models to people with no statistical background?

I always have a hard time explaining statistical techniques to audience with no statistical background. If I wanted to explain what GLM is to such audience (without throwing out statistical jargon), ...
12
votes
3answers
413 views

How best to communicate uncertainty?

A massive problem in communicating the results of statistical calculations to the media and to the public is how we communicate uncertainty. Certainly most mass media seems to like a hard and fast ...
4
votes
3answers
425 views

Politically correct way of ordering stacked barplots?

What is the politically correct way of ordering stacked barplots that contain gender statistics? For example, in a stacked barplot for the number of grantees of a fellowship program, should one put ...
161
votes
9answers
53k views

Explaining to laypeople why bootstrapping works

I recently used bootstrapping to estimate confidence intervals for a project. Someone who doesn't know much about statistics recently asked me to explain why bootstrapping works, i.e., why is it that ...
5
votes
1answer
219 views

How to help people understand “…per 100,000”?

It's well known that members of the public have difficulty comprehending numbers over a certain size. A common tricky issue for people communicating demographic trends is helping people make sense of ...
39
votes
15answers
3k views

Most confusing statistical terms

We statisticians use many words in ways that are slightly different from the way everyone else uses them. This cause lots of problems when we teach or explain what we are doing. I'll start a list ...
3
votes
6answers
374 views

What is a good tool and format for representing and communicating the design content of a survey?

Are there any decent tools for writing/designing questionnaires before providing to programmers? Currently Microsoft Word is being used and tracking changes and keeping it standardized has become a ...
4
votes
4answers
2k views

Is it “rows by columns” or “columns by rows”?

I've got a data table like: ID Low Color Med Color High Color 1 234 123 324 2 4 432 3423 The ...
11
votes
5answers
332 views

Cognitive processing/interpretation of data visualizations techniques

Does anyone know of research which investigates the effectiveness (understandability?) of different visualization techniques? For example, how quickly do people understand one form of visualization ...
31
votes
10answers
5k views

What is your favorite layman's explanation for a difficult statistical concept?

I really enjoy hearing simple explanations to complex problems. What is your favorite analogy or anecdote that explains a difficult statistical concept? My favorite is Murray's explanation of ...