Conjoint Analysis Design Tool

Create fractional factorial designs for conjoint studies

Disclaimer

Results may contain errors. The output from this tool may be inaccurate, incomplete, or incorrect. Users should independently verify all results.
No warranty. This tool is provided "as is" without any warranty of any kind.
User assumes all risk. Users assume full responsibility for reviewing and validating any output.

Requirements

Setup Instructions

Install R and RStudio

If you don't have R and RStudio installed, download and install them from the links above. Install R first, then RStudio.

Download and Open the App

Download the app file and open it in RStudio:

In RStudio: File → Open File → Select the downloaded file

Run the App

With the file open in RStudio, click the "Run App" button in the top-right corner. The app will open in a new window or your browser.

Note: On first run, the app will automatically install the required R packages (shiny, conjoint, and readxl). This may take a minute.

Features

Add Attributes

Define attributes and their levels manually or upload from Excel

Full Factorial Count

See total combinations before reducing

Fractional Design

Generate reduced profiles using R's conjoint package

Copy to Excel

Profiles table ready to copy and paste

Dummy Coding

View dummy-coded design matrix

R Script Export

Download reproducible R script

Excel Upload

Upload attribute/level definitions from Excel or CSV files

Troubleshooting

App doesn't open

Make sure the R file is open in RStudio's editor (not just the file browser), then click "Run App".

Package installation fails

Try running these commands manually in the Console:

install.packages("shiny")
install.packages("conjoint")
install.packages("readxl")
                

"Run App" button not visible

Make sure the file is saved with a .R extension. RStudio only shows the "Run App" button for R files that contain Shiny code.