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

2.687

0.953

−0.002

0.035

2.663

0.955

−0.007

0.023

2.719

0.950

−0.005

8

0.067

2.682

0.952

−0.058

0.032

2.675

0.957

0.024

0.022

2.786

0.944

−0.032

16

0.073

3.216

0.922

0.012

0.033

2.552

0.953

0.027

0.021

2.600

0.948

0.025

32

0.088

3.197

0.905

−0.001

0.032

2.501

0.954

0.033

0.021

2.682

0.948

−0.005

KR

0.1

0.068

2.699

0.943

0.013

0.032

2.653

0.955

0.024

0.020

2.566

0.959

0.022

0.15

0.070

2.729

0.948

−0.062

0.033

2.859

0.948

0.034

0.021

2.905

0.927

−0.041

0.2

0.068

2.438

0.958

−0.024

0.033

2.736

0.937

0.015

0.021

2.678

0.946

0.029

0.25

0.067

2.656

0.947

0.013

0.033

2.618

0.948

−0.009

0.021

2.793

0.947

−0.014

HT

0.1

0.078

2.784

0.996

−0.327

0.033

2.783

0.992

−0.136

0.021

2.477

0.998

−0.119

0.15

0.073

2.529

0.996

−0.203

0.034

2.723

0.994

−0.059

0.022

2.807

0.996

−0.092

0.2

0.070

2.678

0.994

−0.121

0.034

2.627

0.992

−0.070

0.022

2.670

0.994

−0.018

0.25

0.070

2.620

0.994

−0.150

0.032

2.689

0.998

−0.048

0.021

2.783

0.994

−0.042

HTR

0.1

0.071

2.679

0.997

−0.054

0.032

2.739

0.993

0.020

0.021

2.476

0.998

−0.043

0.15

0.070

2.459

0.996

−0.094

0.033

2.713

0.993

0.021

0.021

2.816

0.996

−0.045

0.2

0.068

2.661

0.994

0.004

0.033

2.623

0.993

−0.012

0.021

2.667

0.995

0.021

0.25

0.067

2.600

0.996

−0.057

0.031

2.691

0.998

0.008

0.021

2.778

0.994

−0.011

IPW

0.1

0.068

2.706

0.972

−0.069

0.033

2.702

0.971

0.071

0.021

2.519

0.982

−0.266

0.15

0.067

2.873

0.966

−0.034

0.032

2.839

0.973

0.026

0.020

2.673

0.983

−0.017

0.2

0.069

2.536

0.977

−0.028

0.032

2.855

0.967

0.008

0.020

2.619

0.973

0.014

0.25

0.068

2.766

0.975

−0.020

0.033

2.518

0.983

0.013

0.020

2.550

0.976

0.011

DR

0.1

0.068

2.707

0.972

−0.069

0.033

2.702

0.971

0.070

0.021

2.519

0.982

−0.266

0.15

0.067

2.874

0.966

−0.034

0.032

2.839

0.973

0.026

0.020

2.673

0.983

−0.017

0.2

0.069

2.535

0.977

−0.028

0.031

2.854

0.967

0.008

0.020

2.619

0.973

0.014

0.25

0.068

2.766

0.975

−0.020

0.033

2.518

0.983

0.012

0.020

2.550

0.976

0.011

WM

4/0.15

0.066

2.664

0.946

−0.006

0.032

2.647

0.947

0.014

0.019

2.616

0.951

0.015

4/0.2

0.066

2.497

0.952

−0.036

0.033

2.505

0.957

−0.048

0.021

2.712

0.951

−0.049

8/0.15

0.067

2.658

0.961

0.038

0.031

2.798

0.949

−0.013

0.021

2.669

0.952

−0.043

8/0.2

0.066

2.657

0.951

−0.067

0.032

2.803

0.945

−0.019

0.021

2.700

0.953

−0.035

DIPW

4/0.15

0.069

2.516

0.952

0.005

0.033

2.578

0.950

0.004

0.020

2.705

0.961

0.255

4/0.2

0.068

2.583

0.956

0.057

0.034

2.882

0.959

0.093

0.021

2.966

0.962

−0.040

8/0.15

0.067

2.986

0.974

−0.001

0.032

2.769

0.963

0.048

0.019

2.619

0.957

0.011

8/0.2

0.068

2.687

0.963

−0.043

0.033

2.820

0.962

0.036

0.021

2.966

0.962

−0.040