SQI (version 0.1.0)

PCAIndex: Soil Quality Index Based on Regression

Description

Soil Quality Index Based on Regression

Usage

PCAIndex(DataFrame, OptimumValue)

Value

• PCAIndex: Final index

Arguments

DataFrame

Data set with first column as factors

OptimumValue

Optimum value of each variable; Minimum and maximum coded as "1111" and "9999" respectively.

References

• Bastida, F., Zsolnay, A., Hernández, T., & García, C. (2008). Past, present and future of soil quality indices: a biological perspective. Geoderma, 147(3-4), 159-171.

• Doran, J. W., & Parkin, T. B. (1994). Defining and assessing soil quality. Defining soil quality for a sustainable environment, 35, 1-21.

• Mukherjee, A., & Lal, R. (2014). Comparison of soil quality index using three methods. PloS one, 9(8), e105981.

Examples

library("SQI")
OP<-c(7,1111,9999,9999,9999,9999,9999,9999,9999,9999,1111)
PIndex<-PCAIndex(DataFrame = Data,OptimumValue = OP)