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

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Analyzing several dependent variables using different tests

How to deal with a situation where assumptions of some tests are met only for few dependent variables? Can I use a different test for DVs for which assumptions of a test are not met? As an example, ...
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1answer
14 views

Reporting Logistic Regressions in APA

I am trying to figure out the best way to report the results of a logistic regression in an APA paper. My understanding is that the odds ratio is the most important for interpretation so I don't ...
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Presenting logistic regression tables for non-binary categorical variables (Stata)

For my logistic regression model I have a couple of non-binary categorical predictors (e.g income level and education) with more than three categories. My question now is how to present findings for ...
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19 views

Upsides of reporting a lower or upper bound vs. reporting the actual value [duplicate]

I often see research papers reporting lower or upper bounds. E.g.: Patients treated with the splint regained mobility significantly more quickly (p less than 0.001) and preferred the splint to the ...
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32 views

How do I report the results of likelihood ratio test from glmmADMB?

I want to test if an interaction is significant. My data are strongly overdispersed and contain repeated measures so I have a negative binomial GLMM model in ...
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27 views

State Of The Art in Algorithm Performance Analysis

I need to write a short state of the art section in my article that is about performance analysis in multiple techniques (algorithms). The thing is that I have no idea on what can I talk about. I've ...
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1answer
25 views

Within subject effect size when no correlation available

I am doing a research project on the topic of replicability in psychology. To do this, I did a set of 10 meta-analysis on different studies. My problem is the following : some of those studies were ...
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2answers
96 views

Key scientific publications reporting non-normal GLMMs in marine biology

I developed Poisson and Binomial GLMMs following the steps described in the excellent book from Zuur et al. (2009) Mixed Effects Models and Extensions in Ecology with R and I'm now ready to include my ...
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17 views

In the case described below, should regression coefficients be reported?

I am conducting a simple moderation analysis with a continuous predictor X, an ordinal moderator M, and a continuous outcome Y variable. X was found to have a significant effect on Y, but M did not ...
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39 views

Reporting focal strain (high MI) for CFA models with good model fit?

According to Brown (2015), one is expected to examine and report localized areas of ill fit (e.g. modification indices (MI)) as part of the model evaluation. I have a number of questions about ...
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23 views

Statistic test that check difference of proportion in paired data

I want to announce that my algorithm (denoted by A) is better than some state-of -the-art algorithm (denoted by B) I have n samples which are sentences from the wall street journal and for each ...
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25 views

how to report the comparison of two samples means, accounting for covariates

I have two groups, patients & controls, and a dependent variable "performance". I want to compare the means of the two groups, but after removing the effect of two confounding continuous ...
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19 views

Numbers in reporting one way ANOVA

In reporting data for a one way ANOVA what do all the numbers in the following stand for? $F (1, 24) = 44.4$, $p < .01$.
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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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34 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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24 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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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
21 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
34 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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47 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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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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39 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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191 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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191 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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27 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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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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28 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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27 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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38 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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54 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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1answer
27 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
83 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
34 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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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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24 views

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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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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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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111 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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1answer
112 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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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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144 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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29 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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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
60 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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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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78 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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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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356 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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1answer
686 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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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 ...