Package index

Data Preprocessing

Functions for scaling, normalizing, and standardizing indicator data.

standardize() normalize() rescale() rescale_middle() rescale_interval() rescale_extreme() rescale_initial() rescale_mean() to_positive()

Preprocessing Functions for Data Normalization and Standardization

Subjective Weighting

Analytic Hierarchy Process (AHP).

AHP()

AHP: Analytic Hierarchy Process

Objective Weighting

Data-driven methods for determining indicator weights.

entropy_weight()

Entropy Weight Method

critic_weight()

CRITIC Weight Method

pca_weight()

PCA-Based Weighting Method

cv_weight()

Coefficient of Variation Weighting

Weight Combination

Methods for combining subjective and objective weights.

combine_weights()

Combine Subjective and Objective Weights

Comprehensive Evaluation

Multi-criteria decision making and evaluation methods.

topsis()

TOPSIS Method for Multi-Criteria Decision Making

linear_sum()

Linear weighted synthesis

fuzzy_eval()

Fuzzy Comprehensive Evaluation

rank_sum_ratio()

Rank Sum Ratio (RSR) Evaluation

Grey Relational Analysis

Grey system theory for relational analysis and TOPSIS.

grey_corr() grey_corr_topsis()

Grey Relational Analysis Functions

Fuzzy Sets & Membership Functions

Fuzzy set membership functions, computation, and defuzzification.

compute_mf_funs() compute_mf()

Compute fuzzy membership vector and return corresponding membership functions.

defuzzify()

Defuzzification Methods for Fuzzy Comprehensive Evaluation

tri_mf() trap_mf() gauss_mf() gbell_mf() gauss2mf() sigmoid_mf() dsigmoid_mf() psigmoid_mf() z_mf() pi_mf() s_mf() plot_mf()

Membership Functions for Fuzzy Logic

Data Envelopment Analysis (DEA)

CCR, BCC, SBM, and Malmquist productivity index.

basic_DEA() super_DEA() basic_SBM() super_SBM() malmquist()

Data Envelopment Analysis and Malmquist Productivity Index

Inequality Measures

Gini coefficient, Theil index, and their decompositions.

gini0() gini() theil0() theil() theil0_g() theil_g() theil_g2_cross() theil_g2_nest()

Inequality Indices

Regional Economics

Location Quotient, Herfindahl-Hirschman Index, and Ellison-Glaeser Index.

LQ() HHI() EG()

Regional Economics Functions

Grey Prediction Models

GM(1,1), GM(1,N), DGM(2,1), and Verhulst models.

GM11() GM1N() DGM21() verhulst()

Grey Prediction Models

System Evaluation

Coupling coordination degree and obstacle degree models.

coupling_degree() obstacle_degree()

System Evaluation Functions for Coupling and Obstacle Analysis

Datasets

Built-in example datasets for demonstration and testing.

water_quality

Water Quality Dataset

Utilities

Helper functions for predictions, data I/O, and other tasks.

combine_preds()

Combine Multiple Prediction Results

read_nbs()

Read and Combine National Bureau of Statistics XLS Files