Package index • soilquality

Main SQI Computation

Core functions for computing Soil Quality Index with different workflows

compute_sqi(): Compute Soil Quality Index from CSV file
compute_sqi_df(): Compute Soil Quality Index from data frame
compute_sqi_properties(): Compute Soil Quality Index with property selection

Data Handling

Functions for importing and preprocessing soil data

read_soil_csv(): Read Soil Data from CSV File
standardize_numeric(): Standardize Numeric Columns
to_numeric(): Convert Values to Numeric

PCA and MDS Selection

Principal Component Analysis for Minimum Data Set selection

pca_select_mds(): Select Minimum Data Set (MDS) Using PCA

AHP Weighting

Analytic Hierarchy Process for expert-based indicator weighting

ahp_weights(): Calculate AHP weights from pairwise comparison matrix
create_ahp_matrix(): Create AHP pairwise comparison matrix interactively
ratio_to_saaty(): Convert importance ratios to Saaty pairwise comparison matrix

Scoring Functions

Functions for transforming soil properties into quality scores

score_indicators(): Score multiple indicators using specified scoring functions
score_higher_better(): Score indicator with higher-is-better normalization
score_lower_better(): Score indicator with lower-is-better normalization
score_optimum(): Score indicator with optimum range
score_threshold(): Score indicator with threshold-based piecewise interpolation

Scoring Constructors

Object-oriented constructors for scoring rules

higher_better(): Create a higher-is-better scoring rule
lower_better(): Create a lower-is-better scoring rule
optimum_range(): Create an optimum range scoring rule
threshold_scoring(): Create a threshold-based scoring rule

Property Sets and Standard Rules

Pre-defined property collections and automatic scoring rules

soil_property_sets: Pre-defined soil property sets
standard_scoring_rules(): Generate standard scoring rules for soil properties

Visualization

Functions for plotting and visualizing SQI results

plot(<sqi_result>): Plot SQI Results
plot_sqi_report(): Create Multi-Panel SQI Report

Interactive Tools

Shiny-based interactive applications

run_sqi_app(): Launch Interactive Soil Quality Index Calculator

Example Data

Built-in datasets for examples and testing

soil_ucayali: Example Soil Data from Ucayali, Peru
soil_data: Extended Soil Data from Ucayali, Peru

Print Methods

S3 print methods for custom objects

print(<ahp_matrix>): Print method for ahp_matrix objects
print(<scoring_rule>): Print method for scoring_rule objects