Topic Replies Views Activity
Welcome to datamethods
1 9206 July 24, 2018
Interpretation of subject-specific effect in a cross-over study
models
interpretation ,  design
4 2680 November 27, 2022
RMS Multivariable Modeling Strategies
modeling strategy
nonlinearity ,  data-reduction ,  spline ,  interaction
15 20754 November 26, 2022
Any regression methods testing the interaction effect of two categorical variables on a continuous y
data analysis
2 244 November 23, 2022
Should one derive risk difference from the odds ratio?
bayes
absolute-risk
397 35638 November 23, 2022
Multiple observations per patient and reducing to one one observation per patient
modeling strategy
6 214 November 23, 2022
Generalized Additive Models with R gam
modeling strategy
interpretation ,  r
1 122 November 22, 2022
Why there isn't a popular curve for PPV vs Predicted Positives (PPCR)?
accuracy
accuracy ,  prediction
13 1847 November 22, 2022
Information, Evidence, and Statistics for critical research appraisal
education
interpretation ,  bayes ,  rct ,  information
17 340 November 21, 2022
Random sampling versus random allocation/randomization- implications for p-value interpretation
36 2826 November 21, 2022
RMS Describing, Resampling, Validating, and Simplifying the Model
modeling strategy
validation ,  graphics ,  bootstrap
73 30665 November 20, 2022
RMS Discussions
modeling strategy
rms
287 52112 June 7, 2022
Test-retest reliability and responsiveness of health status questionnaires
survey
3 171 November 19, 2022
Precision-based sample size calculation for one survival curve
data analysis
sample-size ,  survival-analysis ,  precision
3 195 November 16, 2022
Observations on Big Data, Precision Health, and Machine Learning
big-data ,  genetics ,  personalized-med ,  machine-learning
26 4730 November 16, 2022
Proper way to get an averaged calibration curve from nested resampling
model validation
calibration ,  machine-learning ,  prediction
1 257 November 14, 2022
Definition of statistics
17 1315 November 12, 2022
RMS General Regression
modeling strategy
model-specification ,  statistical-model ,  interaction ,  prediction ,  spline
22 21017 November 10, 2022
REDCap / R Best Practices
research data management
r ,  data-management
0 573 November 7, 2022
Categorization of continuous outcome and odds ratio
modeling strategy
interpretation
2 257 November 8, 2022
How to assess an isolated effect or causal relationship in longitudinal data?
causal inference
3 156 November 7, 2022
Clarification on model selection example in BBR Notes
modeling strategy
variable-selection ,  accuracy ,  prediction
3 2437 March 26, 2021
RCT with missing follow-up outcomes: ANCOVA + MI vs Mixed-Effects Modelling?
strategy ,  missing-data ,  rct
11 1433 November 3, 2022
Handling non-response in confounders measured by questionnaire
data analysis
missing-data
1 112 November 3, 2022
Confounding without noncollapsibility
18 1042 November 3, 2022
Is it appropriate to present confidence intervals (CIs) for the outcome in each treatment group in the context of clinical trials?
models
rct
5 309 November 2, 2022
Regression Modeling Strategies: Overview of Maximum Likelihood Estimation
modeling strategy
mle
0 176 November 2, 2022
ANOVA for a categorical variable with multiple levels and a continuous outcome measure
data analysis
3 146 November 1, 2022
Confidence intervals for bootstrap-validated bias-corrected performance estimates
model validation
rms
15 8074 November 1, 2022
Pre-post study design with data not missing at random and multiple observations per patient
modeling strategy
0 93 November 1, 2022