Questions tagged [reporting]
Guidelines for presenting results of a statistical analysis in a research manuscript, presentation, or for general public.
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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
35 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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0answers
16 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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0answers
20 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
43 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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1answer
18 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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0answers
22 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
17 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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0answers
80 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:
...
0
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1answer
46 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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0answers
19 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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0answers
9 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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0answers
98 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
21 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
62 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 ...
1
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1answer
47 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
27 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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0answers
23 views
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 ...
0
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1answer
233 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)
...
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1answer
19 views
How to report percentage change in proportions?
I want to compare changes in the proportion of fruit purchases over time for a household. For example, in year 1, 4/40 (10%) fruit were apples, in year 2, 12/80 (15%) fruit were apples.
When ...
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0answers
27 views
Discussing R-squared of log-log model with a non-technical audience
I have been asked to report on the relationship between two right-skew financial variables using R-squared e.g. "market cap explain ?% of the variance in CEO compensation". The purpose of the ...
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2answers
40 views
Bonferroni correction and discussion of the results
In a study in which I analyze several biomarkers through logistic and linear regressions, should I discuss in the discussion of the paper the results with p <0.05 (they only have a nominal ...
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1answer
70 views
Is it correct to report result like this?
I often encounter (what I think is) incorrect reporting of confidence as 'probability'. This is possibly the single most common source of confusion regarding frequentist significance testing that a ...
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1answer
353 views
Report GLM and Posthoc with emmeans in APA format
This is the results of my anova(glm()) and the post-hoc analyses emmeans() :
...
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5answers
77 views
can you report both a mean and a median for same variable
I have a variable that is not normally distributed. The two groups are statistically significantly different using a non-parametric test. However, they do not "look" different when reporting the ...
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3answers
1k views
How to report negative binomial regression results from R
I have fit a negative binomial model in R, and would like to report the findings, but I'm unsure how (or if) I should convert the estimates to reportable coefficients. Here is my output:
...
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1answer
86 views
How to quantify improvements in business process?
I'm not sure how to ask this question, so please forgive if I'm vague. I'm new to DS and don't speak the language yet. :)
Business process A (bpA) assigns accounts to handlers based on existing logic....
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0answers
69 views
“FDR<0.05”, or “FDR 0.05”?
I thought FDR is a threshold that we set, so we should speak about it without a < (or ≤) sign. For example, in a manuscript I ...
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0answers
227 views
Reporting the effect size for Welch's ANOVA
I ran a Welch's ANOVA test with Alpha= 0.05 between 3 groups od data (n=7 for each) followed by a Games Howell test. The Welch's test is not significant (p-value=0.104). I believe I need to report the ...
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0answers
582 views
How do I report a Welch's test?
I ran a Welch's test with Alpha= 0.05 followed by a Games Howell test. The Welch's test is not significant (p-value=0.104)
Is it enough to just mention that the groups were not significantly different ...
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0answers
9 views
Metrics for reporting the fit of a model with a multinomial response
When running a linear model, I like to report the R^2 values to give a simple overview of how well it fits the data.
At the moment, I'm working on an analysis with a multinomial response (response ...
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0answers
17 views
how to report marginal effects of variables omitted due to perfect separation?
i have a few variables that come up as omitted in a probit model but are necessary for a later heckman model, when i write up my results what is the custom for reporting the missing coefficients in ...
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2answers
53 views
Terminology for 'prevalence' when it's number of people and not a proportion?
'Prevalence' is usually used to describe a proportion or rate, e.g. '5% $\pm$ 2% of the population are Blue'. What do you call this when you estimate the actual number of people in a population with a ...
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0answers
177 views
How to report the R output of a LME using lmerTest - how exactly to use anova()?
I fitted a linear mixed-effects model in R, and now I would like to report my findings. I’m using lmerTest to get p values for each term in a given model, and that works great for continuous or binary ...
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6answers
6k views
The more important statistic: '90 percent of all women survived' or '90 percent of all those who survived were women'?
Consider the following statements w.r.t the Titanic:
Assumption 1: Only men and women were on the ship
Assumption 2: There were a large number of men as well as women
Statement 1: 90 percent of all ...
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0answers
12 views
Reporting insignificant results for more complex regression models when simpler models are significant
I have run a logistic regression model with 5 explanatory variables that I hypothesized to predict the outcome variable. It turns out that in this model (...
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0answers
27 views
Measures of precision for Monte Carlo estimates
I am trying to estimate the population near subway stations in major US cities. I am working off the populations of zip codes near those stations. Using the zip code's shape files, I randomly generate ...
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0answers
18 views
Approach to Statistical Analysis and Reporting Results in R [closed]
I am curious to learn how others approach statistical analysis and reporting when using R. Do most just start coding in the R Session, do you start in the R session and move to R Markdown after you ...
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0answers
65 views
R Report Anova for scientific papers
How do you report ANOVA for thesis or Papers from R? My question is for the degree of freedom. Here is one picture from SPSS I guess
But in R it looks different, is it the same?:
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0answers
88 views
How to report multiclassification results?
This isn't a programming question but rather a "research paper reporting" question.
I've searched through this site and can't find a re-useable answer. I also tried to find similar research papers, ...
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0answers
15 views
Infinite values
I am going to log transform a scale due to extreme skewness; I am using RStudio for my analyses (linear regression). Some of the values computed are "-Inf" or infinite values. To address this, I was ...
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1answer
33 views
Reporting correct CFA figure
I am trying to understand what exactly to report in my final Confirmatory Factor Analysis figure. I plan on reporting standardised estimates with Squared multiple correlations. I am unsure what to ...
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0answers
296 views
When using multiple imputation, is it more informative to report descriptive statistics for the imputed dataset, the original dataset or both?
My understanding is that multiple imputation is a method for dealing with bias/lack of power that results from missing data. However, it is not a method for replacing individual values. As a result, I ...
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1answer
271 views
Logistic Regression coefficients (in real life!)
I'm aware that Logistic Regression works in odds, not probabilities.
More specifically, it reports the variables in how they increase or decrease the odds. That makes sense, but when I think about it ...
0
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1answer
58 views
Cronbach's alpha: how many digits to report?
I submitted my first paper to a peer-reviewed journal and got lots of feedback, questions and criticism back.
One point was related to the number of digits I report for estimated values (e.g. for ...
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1answer
1k views
How to report a binom.test
I'm sorry for asking such a simple question but I am at a loss here; I have searched everywhere. Essentially, how do I properly report the results of an R language ...
2
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1answer
35 views
What is the most appropriate way for popular publications to report on statistics?
I've been thinking about the [base rate fallacy][1], and other statistical reasoning fallacies that are easy to make. I also read a fair about of science and health news stories, and there are lots of ...
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2answers
397 views
Should I use q-values or p-values when presenting results?
I am presenting an analysis in which I performed a number of tests for N variables. The variables which are significant at q < 0.05 are presented in a table (q is the Benjamini-Hochberg corrected p-...
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0answers
91 views
Reporting results of linear mixed model with transformed data
How do I report results of a linear mixed model analysis if the data have been transformed? Does it still make sense to report coefficients and standard errors?
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0answers
254 views
No interaction in a two-way ANOVA, only one main effect significant, do i need to do further analysis?
In testing the influence of gender and frequency of internet use (high v low) on self-esteem, we found no interaction or difference between internet frequency; but a difference between gender.
Given ...
