Spectral Dataset for Plastic Waste Classification Using NIR Spectroscopy

This dataset contains raw and preprocessed near-infrared (NIR) spectral data of plastic waste samples collected for classification tasks. The raw data are provided as individual CSV files and compressed in a ZIP archive. The combined and preprocessed dataset used for machine learning model training and testing is also included as a separate CSV file. Data were collected using the DLP NIRscan Nano EVM spectrometer in the wavelength range of 900–1700 nm.