NIR spectra of blueberries with categorized taste characters ranging from sweet to sour

Near Infrared spectroscopy data of blueberries with different taste characters: sweet, neutral, lightly sour and sour. The data was measured by three different persons, with all a different device. All blueberries originated from Spain.

The .cvs file contains all spectral data. The first five columns give extra information about each measurement:
1. Sample number
2. Measuring side: top(1), bottom(2), side(3)
3. Taste character: sweet(1), neutral(2), lightly sour(3), sour(4)
4. Device, three devices in total. (Every person recorded data with a different device)
5. Replicate number

The x-axis of the spectral data is in pixelnumber, the Linksquare software uses this unit.