Orange Juice near-infrared spectra 
This database has been provided by Prof. Marc Meurens, Université catholique de Louvain, BNUT unit. Please acknowledge the origin of this database if you use it and/or publish about it.

Goal: 
To estimate the level of saccharose of an orange juice from its observed near-infrared spectrum.

Learning set
=========
INPUT

File name: OJ_x_learning.txt
Description: 150 spectra (lines), sampled with 700 points (columns)

OUTPUT
File name: OJ_y_learning.txt
Description: Corresponding level of saccharose, in a column vector (150 lines).

Test set
======
INPUT

File name: OJ_x_test.txt
Description: 68 spectra (lines), sampled with 700 points (columns)

OUTPUT
File name: OJ_y_test.txt
Description: Corresponding level of saccharose, in a column vector (68 lines).