Questions tagged [reporting]

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

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40 views

How to phrase the results of a t-test?

At work, a team I'm on is researching the differences between majority-African American census tracts and all other census tracts in my county. Here is an example of one of the T-tests that I ran in ...
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27 views

p values and confidence intervals

I have run partial correlations with bootstrapping to get confidence intervals. In my SPSS output I am getting significant p values with CI's that include 0 (for example: r = -.58, 95% CI [-.886, .054]...
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Seeking suggestions for data display for table with supercategories, sections and bold-heatmap? dartboard?

I'm trying to visually display the results of a table where we used vote counting to categorically summarize (in many ways) multiple outcomes from a list of studies and compare to how they were ...
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103 views

Can the null hypothesis of a t-test of “no significant difference” be used as a result?

I am not so familiar with statistics, since I am a computer science student. I hope it is alright to ask this question here. I am currently working towards the end of a thesis. I compared the User ...
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Whither multivariate regression?

I've been handed someone else's data (again). It's measurements of six proteins' levels from 20 human brain samples, 5 each of different stages of a disorder. I'd like to run a multivariate regression,...
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Recommended terminology 'statistically significant'

Following the recent ASA and other comments on p-values and not using the term "statistically significant" what is the recommendation for presenting the results of an analysis? For example if I ...
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1answer
18 views

how I can report the result of binary logistic regression?

We are conducting research to examine a relationship between some triggers and migraine with aura. therefore, we conduct logistic regression for the significant relationships to know the adjusted odd ...
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46 views

Classification of Bayesian posterior probabilities

I have run a series of Bayesian models with flat priors in which I obtain a posterior probability distribution for my coefficient of interest. The reviewer of my paper wishes us to classify these ...
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10 views

Appropriate way to report cox proportional hazards model

I have a dataset of 150 patients and 10 variables. I wanted to run a survival analysis, so I did the following: Univariate test (log-rank for my categorical variables, univariate Cox proportional ...
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How can I report the results of a two-way ANOVA on a 3x4 factorial experiment?

I'm trying to generate some sort of table that shows statistical differences between my X1 and X2 variables, using a 2-way ANOVA test. I have a fertilizer experiment where I'm looking at the effect ...
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2answers
31 views

How to report non-significant multiple regression?

I tested my main hypothesis with a multiple regression, which (unfortunately) turned out to be not significant at all. I am not sure in how to report the results now. Which parameters should I ...
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1answer
13 views

Sample Size to Validate if Report is Pulling Correct Information

I am having a report written on very complex EHR data where the data needed comes from different formats, from different locations. I need to choose a sample from about 20,000 accounts to manually ...
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14 views

Presenting logistical regression models results

I've built a predictive logistical regression model which predicts Gender based on different music genres listening times. I have three iterations of the model; one is a simple "everything in" GLM ...
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1answer
21 views

Use of term 'likely' without log regression in corporate survey data

I work in the corporate research space producing white papers from survey data. When writing up results of these investigations, our writers are inclined to use the term 'likely' when referring to ...
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Reporting F-statistic from Prism

I'm a grad student trying to prep an abstract for a poster submission. I've run the data in Prism (2 factor RMANOVA, treatment x time), but I always struggle with how to properly report my stats. ...
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2answers
64 views

Reporting F1 Scores

I have a question with regard to the proper way to report F1 scores. Say I am comparing two algorithms one with F1 score of 0.71 and the other of 0.82. Is it correct to say: "Algorithm 1 obtained an ...
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0answers
22 views

Reporting RESULTS of least square means as post-hoc test for linear mixed model- Best practice

Anybody have good example of how to report the results of a least square means result of a Linear mixed model?- I welcome any guidance on good practices to report this kind of result. I posted below ...
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1answer
39 views

How to report orthogonal contrast codes?

In my linear mixed effects model, I had a significant interaction, I followed up the interaction with orthogonal contrast codes to see where the difference was. How do I report my findings, other ...
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11 views

Friedman test over data with different scales

I have written 3 different algorithms whose purpose is to determine estimate the best path between 2 points on a map. They do this by estimating the distance when taking various routes and then ...
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1answer
17 views

Is there any benefit in reporting a model's regression and residual degree of freedom if I already report the no. of obs, F-value, RMSE, and R-sq?

Is there any benefit in reporting a model's regression and residual degrees of freedom in the regression results table if I already report the following: Number of observation used in the model ...
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1answer
24 views

Reporting estimates and confidence intervals for levels of categorical variable when word count is limited

I have the following (fictitious) output from a Poisson model (count ~ AgeGroup + other variables): ...
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1answer
110 views

Wilcoxon rank-sum test report results when Mdns are the same

I understand that Medians should be reported when writing results of Wilcoxon rank-sum test. For example: "For alcohol users depression levels were significantly lower on Wednesday (Mdn = 7.50) than ...
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2answers
40 views

Is it better to present the result of a $\textit{t}$-test as mean$\pm$SD or mean$\pm$SEM?

Is it better to present the result of a $\textit{t}$-test as mean$\pm$SD or mean$\pm$SEM (where SD is the standard deviation and SEM is the standard error of the mean) Let's say we have a sample of 2 ...
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1answer
60 views

Reporting results of a GLMM with Helmert contrast in fixed effects

I would like help deciding how to report my results. I am looking at whether different demonstrations affect performance in a forced-choice binary task. Demonstrations were done either by a puppet or ...
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1answer
56 views

How do I interpret the results of this t-test?

I have two datasets, dataset A going from 1980 to 1990, and dataset B going from 1990 to 2000. I wanted to check if there is a significant difference between the two datasets so I ran a t-test. The ...
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2answers
100 views

Report Results prop.test / prop.trend.test

I've used a prop.test to compare proportions. I understand the results but I don't know how to reports the statistical results in my thesis: The results show a significant difference, the proportion ...
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29 views

Summarize regression results on different datasets

I have 20 datasets (extracted from 20 different software systems) and fit a logistic regression model on each of them. On every dataset, the model was the same (same dependent variable and the same ...
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1answer
30 views

In a meta-analysis, do you report the full N of each study or just the experimental n?

I just noticed that one meta-analysis (Jeon & Day, 2016) reported only the size of the experimental group. For example, when I look at the particular N sizes for the Robb & Kano (2013) studies,...
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1answer
34 views

Standard way to report covariates with multiple levels in regression table?

Is there a standard way to report regression coefficients for control variables that have multiple levels? For example, I have a control variable that tracks a participant's "State" -- that contains ...
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58 views

Examples of how to report results of a GLS

I am looking for some good examples in the primary literature where a GLS was used. I am pretty new to mixed modelling, and while I got it working, I am struggling at the write up stage. Google ...
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2answers
392 views

How to report t statistic from R

I'm wondering how to report the result of a t-test from R given that the degrees of freedom change when the lengths of the vectors are the same. For example ...
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0answers
62 views

Logistic Regression with categorical predictors - how to report?

Hello Stack Exchange. I need to run a logistic regression to determine the significance of the effect of 5 categories of one variable on my dependent variable. I just can't find online anywhere how ...
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70 views

Do I report the pvalue of the standardized or unstandardized factor loading in CFA/SEM?

Using lavaan, for a simple CFA or SEM with measurement tools, you can use parameterEstimates(fit, standardized=TRUE) to get the standardized factor loadings for the ...
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67 views

Reporting of Bootstrapping Results

I'm fairly new to the statistics world and need to report my results I got from a bootstrapped regression! As I ran quite a few regressions on different data sets and I only got limited space to ...
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1answer
45 views

Is reporting the sample size useful?

I was browsing Reddit (r/science) and noticed that most submissions put the sample size in the headline, e.g. N=100. The same goes for many news sites. Is this information actually useful on its own? ...
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29 views

Dealing with Complete Separation in Logistic Regression when Reporting [duplicate]

I have a question regarding how one would deal with complete separation in logistic regression when reporting the outcome for statistical analysis. For a study, we have group participants into 4 ...
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153 views

How to write up a Tukey Post Hoc Finding- please

How do I interpret these results into a Post Hoc Tukey HSD? TIA.
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1answer
70 views

How to report robust anovas (WRS2::t2way and t3way): no df

I have done experiments with a parasitic wasp species, comparing its life table parameters (response variables: longevity (in days), number of offspring and development time of offspring (in days)) ...
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384 views

How to report the results of the Tukey HSD syntactically/formally correct?

For the ANOVA i use this form: F(2, 1279) = 6.15, p = .002, w^2 = .010. Let's say i did some post hoc testing and the result is this: ...
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1answer
88 views

Reporting insignificant results using mean ranks

I have a number of non-significant results from a Kruskal-Wallis test and wondering the best way to report them. My independent variable is 3 categories: Group A: Uses product A; Group B: Uses ...
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20 views

How to compute (and report correctly) the signifiance of interaction effect on categorical data, using logistic regression

I want to study the odds of success and failure at some test, depending on gender and some other categorical variables. I calculated the Odds Ratios (OR) of success using Logistic Regression, with « ...
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19 views

Reasons for reporting Pearson's r for / alongside standardized mean difference effect size (Cohen's d)

What are the practical use-cases and / or reasons for reporting Pearson's r alongside Cohen's d? This question is a followup to this post where the conversion itself is discussed. Since r calculated ...
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560 views

How to report Logistic Regression Pseudo-R^2 in publication or reports?

I have a Logisitc Regression model with a McFadden Pseudo-$R^2=0.7113$. Based on the answers to this question: McFadden's Pseudo-R2 Interpretation, it seems my model has a good fit. However if I ...
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1answer
93 views

How to report results from Leave One Out Method

I have a question regarding Leave One Out Cross Validation (LOOCV): When I use the method, I will have several regression outputs, one for each individual in my sample. How is this usually reported? ...
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1answer
98 views

reporting regression results with categorical variables and interactions

Several sources recommend reporting regression coefficients in a table for every mixed-effects model. For continuous predictors that's fine because I only get one coefficient for that predictor. But ...
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49 views

Sparkline type visualisation of demographics in papers (introducing new 'non-standard' visuals)

It seems typical to include only basic statistics on subject demographics within papers (i.e. mean, max and min). It seems to me that having a knowledge of the actual distribution would be provide ...
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1answer
84 views

Presentation of mixed model results

I have been supporting the statistical assessment of a clinical study in which we have used a mixed models approach. For reference, the study looked at the error in subjects pointing at different ...
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1answer
93 views

Nested model failing to converge - how to make decisions about random intercept only model?

I have two models: modela <- lmer(perception~1+self+actual+(1|id/rid),data=data) modelb <- lmer(perception~1+self+actual+(1+self+actual|id/rid),data=data) ...
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Discussing regression results in a frequentist framework

There have been excellent debates about how to discuss treatment effects in a frequentist framework, for example: Language for communicating frequentist results about treatment effects What about ...
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932 views

Reporting glmer.nb Results

I'm running a mixed negative binomial GLM that looks like this: Niche2 <- glmer.nb(log_density ~ height * factor(Year) + (1 | Grouping), data = NicheData2) ...