Research Data Preprocessor
Clean raw survey data for SmartPLS analysis: map columns, reverse code Likert items, handle outliers, impute missing values, and export a ready-to-use CSV.
- 1Upload
- 2Preview
- 3Process
- 4Results
Upload your files
Upload your raw survey export and the Excel config file that describes how to clean it. Nothing is uploaded to a server until you choose to process it — parsing happens right here in your browser.
Raw survey data
CSV or Excel (.csv, .xlsx)
Config file
Excel workbook with 6 tabs (.xlsx)
New to this tool?
Download a sample raw data file and a filled-in config template to see the expected format before uploading your own.