data analysis


data problems statistical approaches dealing with missing data and measurement error data reduction data reduction (principal components, etc.), clustering, unsupervised learning descriptive descriptive and exploratory data analysis, hypothesis generating more than confirmatory analysis bayes Bayesian data analysis, modeling, inference accuracy accuracy and information measures, discriminaton, calibration uncertainty Quantifying uncertainty, displaying uncertainty, estimation of uncertainty, incorporation of uncertainty into decision making, etc. This includes but is not limited to confidence intervals, standard errors, Bayesian credible intervals, and sources of uncertainty. model validation model validation and interpretation formal statistical tests and inference probability Probability theory, meaning, and application exclusive of statistical tests, etc. generalizability Generalizability of studies and statistical inferences, sample representativeness, target population comparative methods comparative performance of statistical analysis methods and predictive modeling approaches machine learning machine learning, exclusive of traditional statistical models modeling strategy General model specification issues, nonlinearities, interactions and heterogeneity of treatment effect, avoiding categorization, how to sequence multiple steps (which may involve multiple imputation and data reduction) causal inference Methods and approaches to causal inference models Formulation, parameter estimation, and interpretation of specific statistical models variable selection Selection of predictive features in multivariable modeling, one-at-a-time screening of variables, and the cost of feature selection compared to using fuller models, possibly with penalization (shrinkage; regularization).
Topic Replies Activity
About the data analysis category 2 January 21, 2019
Examples of solid causal inferences from purely observational data 6 May 13, 2019
Adherence adjustment in randomized trials is possible, here's why 6 October 15, 2019
Comparison of prevalence over years 1 October 14, 2019
RCT ceiling effects and high drop off rate 7 October 14, 2019
Does data-based variable reduction lead to confounding? 10 October 12, 2019
Multivariable model with variables missing in select patient subsets 11 October 9, 2019
Assessing variable importance over time 6 October 7, 2019
Simulating survival data to evaluate statistical power for survival analysis 2 October 6, 2019
Statistically Efficient Ways to Quantify Added Predictive Value of New Measurements 11 October 3, 2019
Reference Collection to push back against "Common Statistical Myths" 32 September 14, 2019
Maximum number of predictors in pooled logistic regression 8 October 2, 2019
Conditional Independence Assumption 3 September 30, 2019
Use of synthetic data in model development 4 September 30, 2019
Information criteria vs cross validation 4 September 29, 2019
Calibration curve for pooled logistic regression 1 September 28, 2019
Discussion: Why Bayes for Clinical Trials 7 September 24, 2019
When is Log rank preferred over Univariable Cox regression? 5 September 24, 2019
Interpreting and visualizing a Cox model for prognostic factors 12 September 18, 2019
Machine learning applications in epilepsy using high-dimensional imaging data 2 September 11, 2019
Choice of Bayesian priors in an observational study 12 September 5, 2019
Modeling seasonal effects - Fourier series basis or something else? 4 September 2, 2019
Best smoothing methods for probability prediction calibration curves 2 August 31, 2019
Short-term mortality prediction with long-term follow-up data 20 August 25, 2019
Comorbidity adjustment in regression: score versus individual components 15 August 21, 2019
Confidence intervals for bootstrap-validated bias-corrected performance estimates 11 August 20, 2019
Causal inference vs "the usual statistics" 2 August 20, 2019
Placing knots for restricted cubic splines 22 August 12, 2019
Question about truncating values 4 August 7, 2019
Bootstrapping CIs in multiply imputed data 5 July 29, 2019