Questions tagged [reporting]

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

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Report standard errors and exact p-value

Is it necessary to include both standard errors and exact $p$ values in a result table? Or is an exact $p$ value enough?
Sangcheol Song's user avatar
0 votes
0 answers
28 views

Is it correct to report R^2 value for simple time series trend analyses?

I am wondering if it makes sense to report an R^2 value for a simple trend analysis. For example, trends in temperature or stream flow over time. I understand that for linear regression R^2 makes ...
Mike Lavender's user avatar
1 vote
0 answers
20 views

Train/validate/test subsets of the data; which one do we use?

We are writing a scientific paper using a large dataset of healthcare data. We split our data into three sets: a train set (60%), a validation set (20%), and a test set (20%). My question is what do ...
Stata_user's user avatar
10 votes
3 answers
421 views

What are the benefits of classical ANOVA F compared to Welch's F?

Is there a reason to report classical ANOVA F values (Fisher's F), instead of Welch's F-tests? I know Welch's F test is corrected, so that it's robust against heterogeneity of variance. This leaves me ...
foggy's user avatar
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7 votes
2 answers
722 views

How to report my log transformed (+1) data?

Say that I have a variable with lots of 0 values that needs log-transforming so I do log(variable+1) to transform it. How do I write that in my methods section as opposed to just 'the data was log-...
sausageroll888's user avatar
0 votes
0 answers
66 views

Calculating 95% confidence intervals for Cramér's V?

I'd like some advice an analysis I calculated an effect size for using Cramér's V in SPSS, which I'd like to report along with its upper and lower 95% CIs. Would someone be able give me some guidance ...
koloeus's user avatar
  • 29
2 votes
1 answer
59 views

The "detectseparation" package. How to interpret its results?

I am running a logistic regression on financial data of several companies. The dependent variable is the company to be a smoother (binary variable: 0, 1), and there are several independent variables: ...
Hussain's user avatar
  • 141
3 votes
2 answers
272 views

Beta regression coefficient interpretation

I'm trying to use beta regression on a data set where the response variable is in percentage (i.e. between 0 and 1), so let's say it's the unemployment rate. I'm having trouble wrapping my head around ...
theworldistoosmall's user avatar
1 vote
0 answers
113 views

Mixed effects model for repeated measures approach in R

I'm using mixed effects models for repeated measures (MMRM) in R with the nlme package for the first time as part of a research project and have read lots of posts ...
katcat's user avatar
  • 11
0 votes
0 answers
30 views

Translate feature_importances_ to nontechnical stakeholders

Lets say nontechnical C-suite wants you to predict what the revenue would be for a certain customer base. And so you train a random forest model and it achieves high accuracy. You want to figure out ...
Katsu's user avatar
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0 votes
2 answers
72 views

Reporting multinomial regression results to a non-stat audience

I would appreciate a little bit of advice on reporting. I've run a set of multinomial regression models, done my model testing, all that good stuff. Now I am waffling on how I want to report the ...
a_t_rex's user avatar
1 vote
1 answer
111 views

What is an “independent” effect?

According to one study by Wang and colleagues (2013), smoking cigars has “a positive and independent” effect on testosterone. What is an independent effect and what is the significance of one?
TylerDurden's user avatar
1 vote
1 answer
38 views

How to report a difference in means - Demographics

First of all sorry for the question, I'm having a hard time with statistics :) I have conducted a survey for my thesis and am currently analyzing and reporting the results. At the end of my survey, I ...
ber1495's user avatar
  • 57
2 votes
0 answers
23 views

Reporting AIC values for model fits with multiple runs - report the min or the average?

I have a model that I fit with NLL minimization. I fit that model n times with random starting values, to try to avoid local minima. When reporting the results, it seems reasonable to me to report the ...
Danny Garside's user avatar
0 votes
0 answers
115 views

Best approach to report multiple t-test results in an abstract

Abstracts require a comprehensive summary of a paper's contents, usually within a 150-250 word limit. In my study, I used the paired t-test to compare the mean height of two groups from two different ...
kpm's user avatar
  • 59
1 vote
1 answer
901 views

Reporting results from a GLMER

I have conducted a generalized linear mixed model (GLMM). For the output, see below. Normally (when reporting results from an ANOVA), I write something like this: $F(1, 116) = 6.09$, $p = .015$, $η2 = ...
Sebastian Böckenhauer's user avatar
1 vote
0 answers
46 views

Most efficient way of converting a Quarto document to a presentation [closed]

I currently have a large body of statistics lecture notes that I wrote in Rmarkdown/Quarto document format, and I am looking to convert these notes to Quarto presentations in the simplest way possible....
Rmarkdown_user's user avatar
1 vote
0 answers
88 views

Chi-square test of association reporting in APA

Hello I'm really confused as to wether I'm reporting my data correctly. Independent variable : expert or non-expert Dependent variable: agreement with statement (strongly disagree, disagree, neither, ...
Ellie Doran's user avatar
1 vote
0 answers
24 views

How to interpret interaction effects in a cox regression?

How would I interpret and report the highlighted boxes? The variables: Injury (0=uninjured, 1=injured) Sex (0=male, 1=female) Diet(1=10%EA, 2=50%EA, 3=100%EA, 4=150%EA, 5=200%EA) (note: the “event” is ...
Elissa Giang's user avatar
2 votes
0 answers
32 views

Reporting effects of interest with and without a confounder: Is it reasonable?

Suppose that we have the following situation. With a predictor $X$ and a response variable $Y$, plus a confounder $C$, we consider two models: one is $Y \sim N(\alpha_0+\beta_0 X, ~\sigma_0^2)$ and ...
bluepole's user avatar
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0 votes
0 answers
32 views

Should I report df, SSQ, F and p, or should I report estimate, std error, t and p for my linear model?

Im using multiple linear models/regressions and wondering whats the best way to report a model in a scientific manuscript? I see so many versions. Should i go for the info in summary() or anova()? If ...
EcotoxicologyGirl's user avatar
1 vote
0 answers
32 views

How should I write the units for MSE in its formula and in a plot axis?

I am trying to write a paper for IEEE and would like to know if for MSE, which can have any units, it correct to write "MSE (error^2)" in its formula (i.e. MSE (error^2) = ) and in a plot ...
Baldovín Cadena Mejía's user avatar
1 vote
0 answers
28 views

What to report with the Kruskal Wallis?

I am analyzing a dataset, where I have 3 categories (independent variable), and one continuous value (dependent variable). I am studying if the continuous value is significantly different between the ...
user81371's user avatar
0 votes
0 answers
26 views

Is difference in Standard Deviation a useful metric to report?

Below is part of a report comparing two items, A and B. The goal is high readability. People with little statistical knowledge needs to be able to read this report and quickly understand key ...
ninjaboy667's user avatar
1 vote
0 answers
42 views

Do's and don'ts when presenting data in tables [duplicate]

When presenting data under the form of a table, an error can be to omit mentioning the unit of measure, leading to possible misinterpretation. What are some other possible mistakes to avoid? ...
J-J-J's user avatar
  • 3,852
6 votes
1 answer
213 views

Good references on communicating the results of a statistical analysis to laypeople or non-expert stakeholders?

I was wondering if there were some good references on communicating the results of data/statistical analysis to stakeholders or laypeople. I'm not looking necessarily for references related to data ...
1 vote
1 answer
332 views

How to report on model selection

I have run model selection and have been advised to use the BIC value to determine the best model for my purposes. However, having looked around online I cannot seem to find a standard way to report ...
Rstudioamateur's user avatar
0 votes
0 answers
25 views

How to report simulation results on TOST procedure for multiple comparisons

I am not well versed in statistics, so please bear with me. I will try to explain things as well as I can. I have 256 variables, and for each variable I have a before $(\mu_i, \sigma_i, N_i)$ and an ...
Daniel Duque's user avatar
4 votes
1 answer
87 views

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 ...
Brian Lookabaugh's user avatar
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0 answers
22 views

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 ...
HJW's user avatar
  • 1
4 votes
1 answer
474 views

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 =...
good_variable_name's user avatar
0 votes
0 answers
20 views

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 ...
MArta's user avatar
  • 1
1 vote
1 answer
179 views

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 ...
Johan_A_M's user avatar
0 votes
0 answers
23 views

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 "...
Alaa's user avatar
  • 23
0 votes
0 answers
20 views

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 ...
stats's user avatar
  • 79
5 votes
1 answer
142 views

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 ...
user89547235's user avatar
3 votes
2 answers
324 views

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 ...
user89547235's user avatar
2 votes
1 answer
78 views

How do we report a regression with categorical * continouns interaction?

I was wondering how would be the best way to report this model ? ...
Larissa Cury's user avatar
1 vote
0 answers
69 views

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? ...
Jed Noise's user avatar
1 vote
1 answer
150 views

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 ($X^2$), ...
Bob's user avatar
  • 123
3 votes
1 answer
588 views

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 ...
faustus's user avatar
  • 265
0 votes
1 answer
84 views

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 ...
Kevin T's user avatar
2 votes
1 answer
99 views

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 ...
llewmills's user avatar
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0 votes
0 answers
642 views

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 ...
user avatar
0 votes
1 answer
43 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 ...
TFT's user avatar
  • 133
1 vote
0 answers
32 views

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 ...
Thomas Bilach's user avatar
8 votes
2 answers
3k views

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-...
balzy's user avatar
  • 139
1 vote
2 answers
160 views

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 ...
Jack's user avatar
  • 177
14 votes
4 answers
2k views

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 ...
Alex's user avatar
  • 161
1 vote
2 answers
6k views

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...
oregaymi's user avatar

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