n = 50

n = 200

n = 500

Method

k/h

MAD

n × MSE

CCI

ZS

MAD

n × MSE

CCI

ZS

MAD

n × MSE

CCI

ZS

KNN

4

0.071

3.769

0.952

0.038

0.035

3.724

0.954

0.058

0.023

3.795

0.959

−0.001

8

0.073

3.825

0.946

−0.014

0.034

3.769

0.953

−0.006

0.022

3.397

0.960

0.027

16

0.086

4.217

0.916

0.013

0.032

3.513

0.959

0.042

0.022

3.485

0.959

−0.051

32

0.124

4.946

0.868

−0.052

0.036

3.764

0.950

0.017

0.021

3.618

0.961

−0.035

KR

0.1

0.072

3.819

0.950

−0.017

0.032

3.651

0.953

0.032

0.021

3.703

0.953

0.010

0.15

0.070

3.749

0.954

−0.009

0.033

3.747

0.953

−0.007

0.021

3.366

0.959

0.026

0.2

0.071

3.784

0.944

0.030

0.032

3.492

0.958

0.024

0.022

3.539

0.951

−0.054

0.25

0.074

3.767

0.932

−0.029

0.036

3.716

0.947

0.007

0.022

3.676

0.952

−0.047

HT

0.1

0.087

4.122

0.993

−0.388

0.035

3.765

0.999

−0.174

0.021

3.704

0.998

−0.103

0.15

0.082

3.979

0.993

−0.222

0.035

3.823

0.999

−0.106

0.022

3.420

0.993

−0.050

0.2

0.078

3.964

0.986

−0.105

0.035

3.542

0.997

−0.044

0.023

3.541

0.999

−0.096

0.25

0.084

3.949

0.993

−0.141

0.038

3.702

0.997

−0.041

0.024

3.688

0.999

−0.052

HTR

0.1

0.078

3.893

0.997

0.042

0.034

3.693

0.999

0.028

0.021

3.700

0.997

0.024

0.15

0.077

3.861

0.993

0.006

0.034

3.773

0.999

−0.002

0.022

3.404

0.993

0.015

0.2

0.076

3.894

0.989

0.032

0.034

3.536

0.997

0.037

0.023

3.524

0.999

−0.048

0.25

0.081

3.855

0.995

−0.035

0.037

3.664

0.997

0.005

0.023

3.672

0.999

−0.036

IPW

0.1

0.072

3.780

0.964

0.057

0.033

3.665

0.97

0.037

0.021

3.709

0.978

0.011

0.15

0.071

3.727

0.972

0.008

0.033

3.730

0.972

−0.009

0.021

3.349

0.979

0.028

0.2

0.071

3.781

0.962

0.028

0.032

3.457

0.984

0.030

0.021

3.471

0.981

−0.050

0.25

0.072

3.681

0.965

−0.037

0.033

3.623

0.976

0.009

0.021

3.595

0.974

−0.037

DR

0.1

0.072

3.781

0.964

0.058

0.033

3.665

0.97

0.037

0.021

3.709

0.978

0.011

0.15

0.071

3.727

0.972

0.008

0.033

3.730

0.972

−0.009

0.021

3.349

0.979

0.028

0.2

0.071

3.781

0.962

0.027

0.032

3.457

0.984

0.030

0.021

3.471

0.981

−0.050

0.25

0.071

3.680

0.965

−0.036

0.033

3.623

0.976

0.008

0.021

3.595

0.974

−0.037

WM

4/0.15

0.071

3.746

0.957

0.019

0.032

3.391

0.965

−0.023

0.021

3.817

0.951

−0.035

4/0.2

0.067

3.735

0.953

−0.004

0.034

3.656

0.951

−0.041

0.022

3.611

0.948

−0.024

8/0.15

0.068

3.769

0.943

0.008

0.032

3.450

0.956

−0.063

0.021

3.714

0.950

0.041

8/0.2

0.071

3.737

0.948

−0.064

0.034

3.829

0.945

0.018

0.021

3.349

0.949

0.028

DIPW

4/0.15

0.072

3.760

0.951

0.027

0.036

3.392

0.968

−0.030

0.022

3.845

0.954

−0.044

4/0.2

0.072

3.866

0.947

−0.011

0.038

3.712

0.952

−0.040

0.023

3.626

0.953

−0.020

8/0.15

0.069

3.785

0.941

0.006

0.033

3.485

0.955

−0.072

0.022

3.759

0.955

0.042

8/0.2

0.073

3.749

0.942

−0.066

0.038

3.812

0.948

0.019

0.023

3.380

0.956

0.033