Questions tagged [reporting]

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

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Presenting DAGs in Journal-Quality Research

One of the benefits of DAGs is that they openly state the causal assumptions a researcher is making, allowing for greater transparency. This is nice in theory. However, in practice, the DAGs I have ...
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How to report a series of multiple regressions?

I'm currently trying to report my outputs from my multiple regressions, however the questionnaire that I'm using as the DV has no total score and 9 subscales instead. I also currently have 9 ...
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How to report statistical significance level under methods in a Bayesian study

A statement of statistical significance level is required in academic papers. What is good practice for reporting it when all reported point estimates, including effect sizes, were calculated using ...
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3 votes
1 answer
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What exactly does the P value when reporting a Mann-Whitney test mean?

I'm performing some Mann-Whitney U tests on datasets for a project, and I'm a little confused about what the P value as shown in this question means. Where it states for example "(Mann–Whitney U =...
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How to report performance of a Deep Learning Model (RMSE, R2) when lots of variation

please bear with me because I'm a beginner. I have created an LSTM Model to solve a regression problem. The metrics that I am reporting are RMSE, MAE and R2. Unfortunately, my model might not be ...
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How to interpret the model fit of multiple indices in an EFA?

In a multi group exploratory factor analysis (MG-EFA), we have analysed CFI and RMSEA. A decision has been made to use the criteria from Marsch et al (1) of acceptable fit when CFI > 0.90 and RMSEA ...
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Showing names of levels in glmer R [duplicate]

I have a simple question that would help me a lot in interpreting my results I ran a glmer model in R with the following variables: a binary DV that is dummy coded a categorical IV1 named "...
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How to summarise outputs of simulation with nested design

This question is about how best to represent my data in a publication using descriptive statistics. I have the results of a simulation with a nested design as follows: Where ...
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Do I need to include the information (Pvalue) of confounders in the final table?

I was wondering if I need to provide a regression table including the estimation of all main varibales + confounders? Can I just present the final result (coefficeint and pvalues) of the main ...
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How to interpret/report a confidence interval for spearman rho

I am doing my thesis in behavioural psychology and could use some stats guidance. Being a behavioural study, I have a low-n but lots of frequency data. I am using bootstrap statistics confidence ...
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Comparing two groups in multi-classification: precision to indicate class imbalance, recall to indicate quality of samples

I have a situation where I need to analyse how a classifier for a multi-classification problem for images performs on two different groups. I need to interpret precision and recall values. I am ...
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1 answer
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Levels of significance for a publication

I hope this is not outside the scope of this community - in case, just sorry me. I am going through adapting my manuscript to some author guidelines. Regarding p values, they say: p values should be ...
3 votes
2 answers
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Report non-linear term in a full regression model

Simple question about statistical reporting best practices. I was asked to report the full model as a supplementary material of my paper. With the help of a toy example, let's say I have two variables ...
2 votes
1 answer
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How do we report a regression with categorical * continouns interaction?

I was wondering how would be the best way to report this model ? ...
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What should I report on a 3-way ANOVA with a significant 3-way interaction effect?

I'm using graphpad prism to analyze some research data. The study design has 3 factors (Sex x Cardiac Anomaly x Exercise workload) for a variety of parameters. I don't use 3way ANOVA very often (and ...
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Correct reporting of percentages comparisons

I am struggling to find a clear answer somewhere else. So, when we have two percentage values, what are correct ways to compare these and formulate the comparison in a report? ...
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Reporting zero-inflated models: from two part output of glmmTMB to single estimate/p-value?

I have fit a zero-inflated model using the very user-friendly R package glmmTMB where both the zero-inflated and conditional models are significant. ...
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1 vote
1 answer
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chi square, greek or roman?

I would like to report a chi square statistic evaluated from an experimental population in a manuscript. Do I use (1) the lower case Greek letter ($\chi^2$), (2) the upper case Greek letter ($X^2$), ...
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1 answer
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Is it acceptable/common practice to report IRT theta scores as a percentile?

I have been teaching myself IRT. I think I get it, however, I've not yet reached a point where I would say that I'm totally confident. In assuming that the latent trait is normally distributed with ...
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How to report the results of a Linear Mixed Effects Model in R

I am struggling to write up the results of a linear mixed effects model I have conducted. Could someone highlight to me where the most salient information is, and how it should be formatted. I have ...
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29 views

Uninformative descriptive statistics table

I'm trying to create a descriptive statistics table for a set of predictors. For this I use python tableone package. Predictors are numeric and non-normally distributed. For one of them I got: ...
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Calculating and reporting effect sizes for mediation models

I am struggling to determine how to calculate and report the effect size for a simple mediation model. I am using Hayes' PROCESS tool to run the analysis. Please can someone explain how to get from ...
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1 answer
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Properly displaying Categorical Variables Represented as R Factors in a Table

I submitted the following table for peer review in a manuscript. The reviewer comments showed that the table confused them. In our study we have a pre- and post-score that we measured as DVs. Our ...
2 votes
1 answer
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Reporting odds ratios from a (non-logistic) binomial regression

I ran a aggregated binomial regression, with a non-binary bounded count variable, number of counseling sessions (out of a maximum possible six) attended during a clinical trial as the outcome. So ...
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How should I report logistic regression on a poster?

An example of my odds ratio bar chart: I am developing a poster that reports on a research project I've been working on this summer. For the project, I ran a logistic regression with 1 continuous ...
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0 votes
1 answer
39 views

How to report coefficients for main effects?

Suppose I run an OLS regression as follows: Y = γ1 + γ2*X + γ3*(D*X) where D is a dummy variable. I excluded one dummy variable, so the effect is in γ2 and γ3 must ...
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1 vote
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Scientific reporting of time-varying covariates at different time frequencies

Say I have the following model: $$y_{it} = \gamma_i + \delta {T}_{it} + \zeta Z_{i(k)} + \epsilon_{it}$$ where $y$ is some outcome for household $i$ in month $t$. $\gamma_i$ denotes household fixed ...
7 votes
2 answers
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How to report a P-value?

I am writing the results of my thesis, and I have a few questions on how to report P-values. When is it appropriate to give the exact P-value, instead of writing e.g. P<0.05 (also in case of non-...
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Is there a certain method to communicate the results of earnings without logging the variable?

I am investigating whether earnings differences have widened between different social classes in several European countries by comparing two different periods. The picture below shows the findings of ...
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12 votes
4 answers
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Report power if result is statistically significant

We have submitted a paper reporting a statistically significant result. One reviewer asks us to report what is the power to detect a significant association. As there was a previous paper on this ...
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1 vote
2 answers
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How to report results from linear mixed models: interaction terms changing significance

I've used linear mixed models to test if factors genotype and sex influence colon length, while including batch as a random effect. I first ran the test...
1 vote
1 answer
289 views

Non-significant logistic regression model - Are all coefficients non-significant, or are all coefficients equal to 1?

I've got a couple of non-significant logistic regression models, and am figuring out how to word it appropriately. Before that, I want to confirm the implication. Most questions/websites I have gone ...
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Logistic Regression Outcomes - How to report

I'm reporting my logistic regression results - I have a few, and I wanted to 'double check' and see if I'm getting the verbiage right. Would anyone be able to advise on the below? Response to toffee-...
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1 answer
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Understanding the idx column in h2o metrics [closed]

h2o model metrics results report generated like this. ...
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Interpret and assess the output of MCMC in high dimension?

In one of my recent presentations I used MCMC to generate 50,000 samples from a 13-dimensional random variable. And the audience of this presentation is largely made up of layperson that has no ...
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Univariate after stepwise regression?

My aim is to understand and describe the effect that independent variables (ordered and unordered factors and continuous) have on a continuous dependent variable. First, I thought about using a ...
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1 answer
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Back transforming standard errors in a GLMM with a log-link

I'm using lme4 and have a GLMM with a log link and gaussian variance structure. I would like to report my fixed effect estimates with their standard errors, as well as the standard deviation of my ...
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1 answer
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What should we report in our manuscript for negative binomial regression, IRR or OR?

I have applied negative binomial regression analysis for my data in SPSS. However I am not sure what do I have to report. Is it called IRR and CI or odds ratio (OR) and CI like in logistic regression. ...
2 votes
1 answer
598 views

How to write the formulas for logistic & ordinal logistic regression models

In my thesis I am using logistic regression models (either binomial or ordinal, depending on the type of the dependent variable) to analyse the association between environmental quality and socio-...
1 vote
2 answers
932 views

Reporting the best test accuracy in a research paper?

I am running a random forest classifier for binary classification. I have split the dataset into training and testing. From training data, I select 70% of the data for hyperparameter tuning, I used 5 ...
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1 vote
0 answers
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Appropriate decimal places and significant digits for baseline characteristics table in medical journal

I have read the guidelines written by Cole regarding the use of decimal places and significant digits when reporting in a medical journal. However, after reading the report, some matters are still ...
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2 votes
1 answer
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Reporting an SEM with path analysis from lavaan

I have been using the lavaan package to run my SEM (Path analysis) with two mediations (A -> M1 -> Y; B -> M2 -> Y). I have been looking for good ...
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4 votes
3 answers
346 views

Contradictory test results

My question is relatively simple, and has to do with reporting seemingly contradictory results from statistical tests. This is the problem. There are two independent groups, and two research questions ...
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One-sided vs two-sided hypothesis: Does the written hypothesis need to match the statistical test?

The analysis I am doing is two-sided. I was told that the written hypothesis should match the analysis, but this doesn't make sense to me. I had written something like: "It is hypothesized that ...
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Reporting robust regressions?

I'm running robust regressions in R (rlm from the MASS package) for 3 different models of regressions that are all related: DV ~ IV1 + error DV ~ IV1 + IV2 + error DV ~ IV2 + error I was wondering ...
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1 answer
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What information from a glm summary do you include in your results

I ran a glm looking at population changes over years, and am unsure which results I need to include for a poster presentation. I understand the p value is important for significance but other than ...
0 votes
1 answer
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What is the commonly used abbrevation for Difference-in-Differences in writing?

I am trying to repeat the word "Difference-in-Differences" in my paper many times. I am using "DiD" instead (but I am not sure whether it is true or not). I am looking for any ...
4 votes
1 answer
356 views

Interpret Generalized linear mixed model output

I've built a generalized linear mixed model due to non-normal data (no transformation will make it normal). I'm new to mixed models and I'm unsure how to report the output in a paper. Here is the ...
0 votes
0 answers
71 views

Using an APA format, how do I report an F-statistic with a value of 2.67e+30?

I am doing a statistical report on a regression model and my F-statistic is 2.67e+30. The values of my dependent and independent variables are expressed in dollars.
3 votes
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Presenting result of bivariate regression to general public

We have a simple unvariate linear model of woodpecker abundance vs elevation: woodpeckers ~ elevation The model reports significantly positive slope for elevation. ...
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