Guidelines for presenting results of a statistical analysis in a research manuscript, presentation, or for general public.

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Should I use an Odds Ratio or a Likelihood Ratio to report prevalence of x in a Case-Control study?

I am trying to report the prevalence data for a case control study. I first ran a $\chi^2$ test on a 2x2 table of the prevalence data. I got a $\chi^2$ and Likelihood ratio result in SPSS. It ...
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21 views

How do you write down a Firth logistic regression model?

I know how to run a Firth logistic regression, that's not the issue. And I know how to interpret the coefficients. But how do I write one down? Like, the actual regression model that goes into the ...
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23 views

Does rounding introduce variance into estimates?

It is often recommended to round parameter estimates to avoid suggesting more precision than the data really have, e.g. here. I understand rounding does not introduce bias, as long as an unbiased ...
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14 views

Reporting Data with Estimates and SE

What do you think? When reporting data in an article, a usual way is to show the mean values +/- the standard errors in a table. For Example, when you measure Abundance of pigeons in parks of five ...
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1answer
14 views

What to report for reliability analysis?

After completing data collection on a reliability analysis where multiple examiners sampled each subject three times, which value should I report for descriptive statistics? If intra-rater reliability ...
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1answer
30 views

How to report a value determined from a cumulative sum?

I'm reporting on methods that use discrete distribution data, for example: ...
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44 views

Descriptive formula for the mean of a discrete frequency distribution

I'm trying to typeset a formula for an R expression that determines the mean value from discrete distribution data. Here's some example data to describe my question. ...
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18 views

Sign interpretation research perspective

This is a new question based on a former topic: Insignificant Coefficient and sign interpretation. The framework is as follows: If a coefficient is negative but insignificant on 10% while the 95% ...
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29 views

Reporting the results of Nonparametric regression using kernel weights

I am wondering how I can present the results of nonparametric regression. I performed the nonparametric tests using R, and R package 'np'. The commands used for this are freq <- npreg(Respno ~ ...
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182 views

Scientific Report references

I'm taking a course about "Scientific Report", where I need to write reports about statistics. I have many difficulties to elaborate scientific texts, I can not develop the theory and presentation ...
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167 views

What is the best method of reporting multiple tests of equivalence?

I am doing a study which will involve multiple tests of equivalence. Is there a standard table for reporting such results? EDIT with more detail: It is a longitudinal study with 5 time points. Our ...
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1answer
24 views

When to use robust methods and how to report them in a paper?

Wilcox in his package WRS in R software managed to provide easily accessible robust techniques to conduct usual hypothesis testing like t-test, ANOVA etc. I've ...
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15 views

remove the mean over multiple measurements

I have a set of multiple measurements for each subject (i.e. each subject is assessed several days). For each set of measurements (several days of the same subject) I am calculating the mean value of ...
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21 views

How to report my repeated measures analysis?

I've conducted an experiment with 30 participants using a counterbalanced design they performed a task in two slightly different conditions. After both conditions participants were asked to fill in a ...
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24 views

Reporting MCMC autocorrelations of variables in a hierarchical model

I implemented a a Gibbs Sampler for a hierarchical model with priors and hyperpriors that has around 16 variables. When it comes to autocorrelation plots, I have seen in some papers that they do not ...
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1answer
33 views

Labels for correlation coefficients

How could we attribute labels for correlation coefficients in order to facilitate reading the data specially for non-technical people or in qualitative analyses? For example: $\rho > 0.9$ - ...
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1answer
46 views

Rule of thumb for the number of significant digits to report

What is a good rule of thumb for the number of significant digits to report? Preferably, the rule of thumb is given in a citable publication. I am particularly interested in a rule that does not ...
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25 views

How to report large number of p.values in a table?

I have been comparing 13 groups to one another to assess significant differences. The simplest method of writing this up was a table, and there are numerous significant and non-significant results, ...
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1answer
49 views

How to report decision tree statistics?

I need to do a formal report with the results of a decision tree classifier developed in SPSS, but I don't know how. I know there are really well defined ways to report statistics such as mean and ...
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1answer
27 views

Statistical reporting of chi-square and odds ratio

I'm looking to see if the process and reporting are correct. (This isn't homework help. I am playing around with a secondary data set trying to learn more about the research process and statistical ...
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12 views

Choosing an p-value when removing irrelevant factors

So, pretend you run two mixed factor anovas: 1. between-subject variables: order and condition within-subject variables: trial.type the interaction for condition and trial.type is p = 0.06 ...
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How should the error-term in reporting results be properly written to make sense?

I want to report results obtained from a number of measurements with the average value plus minus the standard deviation. During my studies I was always thaught to use only one signifying digit in the ...
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50 views

What key information should be included in an academic paper that uses machine learning?

Imagine you are reviewing a manuscript that describes application of a supervised machine learning algorithm (e.g. SVM, CART, logistic regression, random forest etc.) to predict a binary output. ...
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24 views

Which statistics to report when conducting Bai-Perron structural break test?

i have to carry out the structural break test for a project. My data set contains 55 data points.I run the Bai and Perron structural break test in Eviews 8. when i get the result I have the F ...
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101 views

How do I interpret interaction effects in an ANOVA?

I really need help interpreting interaction effects for my ANOVA output. Can I interpret anything, if they are not significant? For example I am testing the effect of internal and external corporate ...
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62 views

When using bootstrap analysis, which estimates should be reported, the original ones or the bootstrap derived ones

I'm moving more and more to bootstrap for my analyses to estimate the variability of parameters of glm regression models. I usually report the bootstrap estimate of the parameter (the mean of the ...
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63 views

How to report bootstrap simulation?

I am conducting a simulation study, I simulate $N=10000$ samples of size $n=50$ from a distribution $F(;\theta)$, then I obtain a bootstrap sample of size $B=1000$ from the MLE of $\theta$. Some ...
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106 views

How to report partial correlation results?

I received the proofs of a scientific article and the editor changed the way we reported partial correlation results from symbol r = ... to ...
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24 views

How to report a convergence on a random walk on Markov Chain Monte Carlo

In our psychology experiment we have found Markov Chain transition probabilities to be a good way to analyse data, and the convergence of two Markov Chains on a random walk (we used 10,000 walks) to ...
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41 views

Detecting change in % responding to a question over time periods

A study has been asking the same ratings questions repeatedly year over year. Currently, the study is using a Column Means test in IBM SPSS Survey Reporter to compare the number of people responding ...
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1answer
51 views

How to report simple markov transition matrix

I have a beginners question on Markov chains. We found that a Markov chain might be a good way to describe the data we got from our experiment. Let's say we have two simple Markov transition matrix ...
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24 views

Is there a common abbreviation for the term “treatment” when reporting statistics?

I would like to illustrate results like mean, standard deviation in a table format. One column should feature the treatment. The table should be as compact as possible. The treatments in the ...
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1answer
70 views

Why does APA suggest to report the F statistic with an ANOVA result?

I probably view it too pragmatic but to me, the F statistic is merely a result of a calculation that is used to (magically) determine the value that I'm really interested in: the p. APA, though, wants ...
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39 views

Reporting variable importance results using cforest

I have a large data set of odour samples. I used cforest and varimp to determine the most important variables (ie chemical compounds) in identifying sex. How do I report this in a paper? Do I need to ...
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2answers
237 views

Should we report R-squared or adjusted R-squared in non-linear regression?

I am running a non-linear regression for a dose response with the equation: $$Y = \frac{c}{1 + \big(\frac x g\big)^b}$$ When reporting my results for publication, do I report the R-squared or ...
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427 views

How to report a bootstrap for a journal? What all should we report?

So, the APA has a format for reporting an ANOVA along the lines of (F(df1,df2) = NN.NN, p<=0.05). I am wondering if I end up bootstrapping my ANOVA, do I just need to mention that a boostrap has ...
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62 views

Correct and clear wording for non-causal correlation

Despite reading multiple statistics and epidemiology texts as well as studies, I have trouble describing the following in plain English for a public of doctors (so, non-statisticians or biomedical ...
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24 views

Very puzzling - naming the endpoint of survival analysis

A question that should be straightforward for statisticians but is puzzling me to the point I am nervous. I am doing a PhD in Epidemiology and am going to use Cox regression. The predictor is a ...
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18 views

What information to include when reporting the results of simple linear regression in a scientific publication? [duplicate]

I am writing a scientific journal paper. In the paper, I describe one simple linear regression analysis (1 dependent variable and 1 independent variable). At the moment, I have included a scatter ...
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6 views

Searching for a term for systematic, universal non-reporting in survey data

I am searching for a technical term to describe a situation I have run into my survey research and analyzing survey datasets. In experimental survey research, systematic under-reporting and ...
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1answer
30 views

How to proceed with lagged variables and correlation matrix?

Would it be correct to report a correlation matrix with the variables not lagged when you use lagged variables to fit the model? I think that you have to report the variables that you use in the ...
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74 views

reporting mixed effects linear regression: t statistic or model comparison?

We have a one factor three level repeated measure experiment with ratio data (reaction times). We fit a mixed effects linear model using lmer (in fact lmerTest) - maximal, with subjects and items as ...
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10 views

how to report effect sizes for average MAPE when comparing methods

My question is around how to report effect sizes ? I have 2 different methods and a naive method: I have method 1 applied to 1000 time series data and its average symmertric Mean Abs Percentage ...
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89 views

How to prevent the appearance of overfitting due to firing many models on a small data set?

I applied support vector machines to a relatively small dataset. I used relatively simple techniques, and achieved publishable results. Now, when already writing the paper, I got an idea, which would ...
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1answer
60 views

How to choose the observation with the median value when there are an even number of observations?

Obviously, in most circumstances, you would just take the mean of the two middle values. However, imagine a dataset of 100 countries. You want to know which country has the median household income. ...
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226 views

Why is it so uncommon to report confidence intervals for medians?

Why is it so uncommon to find confidence intervals reported in papers from applied sciences? I work mostly on Computer Science, but often read papers from (Social) Psychology, Sociology and Urban ...
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1answer
166 views

Reporting exponentiated coefficients in a logistic regression, t-value and confidence intervals

I recently encountered a situation regarding the reporting of two predictor effects in a logistic regression, which I plan to report their exponentiated coefficients in the text with their SEs, t- ...
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34 views

Significant digits for curve fit to numerically generated data

Say that I fit some data with some model, for instance a linear function $y = mx+b$. What is the proper way to report the fitted coefficients and the goodness of fit? Specifically, if I do the fit in ...
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2answers
41 views

How best to communicate uncertainty due to data quality and measurement issues

This question is coming from a business background. I want to focus here on issues that occur within a business (or perhaps academic) background which are usually difficult to quantify but it is ...
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612 views

Confidence intervals when the sample size is very large

My question could be rephrased as "how to assess a sampling error using big data", especially for a journal publication. Here is an example to illustrate a challenge. From a very large dataset ...