OJ {cggd} | R Documentation

## OJ

### Description

The `OJ` datafile has both learning and test data.

### Usage

    OJ

### Format

This data file contains the following items:

x.learning
  150 spectra (lines), sampled with 700 points (columns)
y.learning
  Corresponding level of saccharose, in a column vector (150 lines).
x.test
  68 spectra (lines), sampled with 700 points (columns)
y.test
  Corresponding level of saccharose, in a column vector (68 lines).

### Details

The goal is to estimate the level of saccharose of an orange juice from its observed near-infrared spectrum.

### Source

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. It can be found at http://www.ucl.ac.be/mlg/index.php?page=DataBases

[Package cggd version 0.8 Index]