KatavinaNguyen / data-imputation-desktop-app Star 0 Code Issues Pull requests Java/Spring Boot + Swing desktop app for cleaning and interpolating time-series CSV data. Automatically detects intervals, fills missing timestamps, preserves keywords, computes per-column statistics, and uploads cleaned files to AWS S3. Supports large datasets (800+ columns, 120+ hours). java spring-boot time-series aws-s3 cloud-storage multithreading desktop-application data-engineering data-interpolation data-cleaning-and-preprocessing sdk-v2 Updated Nov 26, 2025 Java