Launches an interactive Shiny application for performing stepwise regression analysis. The application provides a user-friendly interface for data analysis, model selection, and visualization of results.
StepRegShinyApp()Launches the Shiny application in the user's default web browser.
The application consists of two main steps:
Step 1: Data Preparation
Upload custom datasets or select from built-in examples
Configure data import settings (headers, separators, quotes)
View and modify variable types (numeric, factor, integer, character)
Generate exploratory data visualizations
Step 2: Model Analysis
Select regression type:
Linear regression
Logistic regression
Cox proportional hazards
Poisson regression
Gamma regression
Negative binomial regression
Choose dependent and independent variables
Specify stepwise selection strategy:
Forward selection
Backward elimination
Bidirectional elimination
Best subset selection
Set model selection criteria (AIC, BIC, etc.)
Configure significance levels for variable entry/removal
Generate comprehensive reports and visualizations
stepwise for the core stepwise regression function
report for generating analysis reports
plot.StepReg for visualization functions
if (FALSE) { # \dontrun{
# Launch the StepReg Shiny application
StepRegShinyApp()
} # }