PCAIndex {SQI}

Soil Quality Index Based on Regression

Description

Soil Quality Index Based on Regression

Usage

PCAIndex(DataFrame, OptimumValue)

Arguments

DataFrame

Data set with first column as factors

OptimumValue

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

Value

• PCAIndex: Final index

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)