Table 5

Mean relative bias for 10, 25, 50 and 100 samples/simulation for each density estimator for each spatial pattern (see Table 3)

Sample size

Sample size


RBIAS

Rank



Estimator

10

25

50

100

10

25

50

100


Uniform (n = 5)

AO2Q

0.222

0.225

0.225

0.225

8

8

8

8

AO3Q

0.205

0.207

0.207

0.207

7

7

7

7

BDAV3

-0.095

-0.136

-0.147

-0.154

4

4

5

6

KM2P

-0.136

-0.145

-0.148

-0.150

6

6

6

5

KMP

-0.130

-0.141

-0.145

-0.148

5

5

4

4

OD2C

-0.051

-0.077

-0.091

-0.097

1

1

2

2

OD3C

-0.070

-0.091

-0.101

-0.106

2

3

3

3

VAT

-0.074

-0.080

-0.081

-0.083

3

2

1

1


Poisson (n = 2)

AO2Q

0.324

0.324

0.326

0.325

8

8

8

8

AO3Q

0.295

0.295

0.296

0.296

7

7

7

7

BDAV3

0.073

0.014

-0.002

-0.009

6

2

2

2

KM2P

-0.037

-0.050

-0.052

-0.052

3

4

4

3

KMP

-0.070

-0.089

-0.092

-0.094

5

6

6

6

OD2C

-0.045

-0.065

-0.070

-0.071

4

5

5

5

OD3C

-0.031

-0.047

-0.051

-0.052

2

3

3

4

VAT

0.019

0.005

0.000

-0.003

1

1

1

1


Clumped (n = 10)

AO2Q

-0.079

-0.082

-0.081

-0.080

2

3

3

3

AO3Q

-0.063

-0.065

-0.065

-0.064

1

2

2

2

BDAV3

0.080

-0.008

-0.036

-0.049

3

1

1

1

KM2P

-0.319

-0.325

-0.333

-0.337

4

4

4

4

KMP

-0.350

-0.377

-0.386

-0.391

5

5

5

5

OD2C

-0.410

-0.435

-0.444

-0.447

8

8

8

8

OD3C

-0.376

-0.399

-0.407

-0.410

7

7

7

7

VAT

-0.365

-0.387

-0.393

-0.396

6

6

6

6


All (n = 17)

AO2Q

0.055

0.054

0.055

0.055

2

2

1

1

AO3Q

0.056

0.056

0.056

0.056

3

3

2

2

BDAV3

0.033

-0.039

-0.061

-0.072

1

1

3

3

KM2P

-0.227

-0.241

-0.246

-0.249

4

4

4

4

KMP

-0.254

-0.276

-0.282

-0.286

7

7

7

7

OD2C

-0.266

-0.290

-0.300

-0.304

8

8

8

8

OD3C

-0.248

-0.270

-0.278

-0.281

6

6

6

6

VAT

-0.236

-0.253

-0.257

-0.260

5

5

5

5


White et al. BMC Ecology 2008 8:6   doi:10.1186/1472-6785-8-6

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