soil: The soil dataset

Description Usage References Examples

Description

The soil dataset contains 108 sample measurements from the wavelength range of 400<e2><80><93>2500 nm (visible and near infrared spectrum) published by Rinnan et al.

Usage

1

References

Rinnan, R., & Rinnan, A. (2007). Application of near infrared reflectance (NIR) and fluorescence spectroscopy to analysis of microbiological and chemical properties of arctic soil. Soil biology and Biochemistry, 39(7), 1664–1673.

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
data("soil")

X = soil$x
y = soil$som
n = nrow(soil$x)

set.seed(1001)
samp.idx = sample(1L:n, round(n * 0.7))
X.cal = X[samp.idx, ]
y.cal = y[samp.idx]
X.test = X[-samp.idx, ]
y.test = y[-samp.idx]

Example output



OHPL documentation built on Aug. 9, 2017, 1:02 a.m.