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excel-writer

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sheetz

Read and write Excel (.xlsx, .xls) and CSV files in Java with one line of code. Annotation-based mapping, streaming for million-row files, built-in validation, 19 type converters. A simpler alternative to Apache POI.

  • Updated Apr 28, 2026
  • Java

A KNIME-based machine learning workflow for psychographic customer segmentation using the K-Means clustering algorithm. This project analyzes survey-based consumer behavior data, groups similar customers into clusters, and generates cluster labels and centroid summaries to support marketing analytics, customer profiling,and business decision-making

  • Updated May 13, 2026

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