Table 3 Non-linear regression coefficients estimated for Ballou’s model, BW model and B–BW model in pedigrees of different populations sizes (N = 10 and N = 50) and numbers of generations (t = N/2 and t = 2 N)

From: Detection of genetic purging and predictive value of purging parameters estimated in pedigreed populations

  

Ballou

BW

B–BW

CAPTIVE

 

b F

\(b_{{FF}_{\rm{a}}}\)

b F

\(b_{{F_{\rm{a}}}}\)

b F

\(b_{{FF_{\rm{a}}}}\)

\(b_{{F_{\rm{a}}}}\)

N = 10

t = N/2

−0.5529 ± 0.0217

0.1529 ± 0.0842

−0.5396 ± 0.0185

0.0410 ± 0.0119

−0.5556 ± 0.0219

0.0562 ± 0.1167

0.0325 ± 0.0159

 

t = 2 N

−0.6247 ± 0.0214

0.4040 ± 0.0222

−0.3536 ± 0.0113

0.0565 ± 0.0064

−0.6163 ± 0.0212

0.3921 ± 0.0250

0.0010 ± 0.0073

N = 50

t = N/2

−0.5506 ± 0.0361

0.3265 ± 0.0434

−0.4965 ± 0.0206

0.0504 ± 0.0057

−0.6096 ± 0.0392

0.2434 ± 0.0569

0.0319 ± 0.0080

 

t = 2 N

−0.7228 ± 0.0515

0.6377 ± 0.0523

−0.0575 ± 0.0105

−0.0176 ± 0.0054

−0.6363 ± 0.0608

0.5961 ± 0.0595

−0.0222 ± 0.0077

WILD

 

b F

\({\boldsymbol{b}}_{{\boldsymbol{F}\boldsymbol{F}}_{\rm{a}}}\)

b F

\({\boldsymbol{b}}_{{\boldsymbol{F}}_{\rm{a}}}\)

b F

\({\boldsymbol{b}}_{{\boldsymbol{F}\boldsymbol{F}}_{\rm{a}}}\)

\({\boldsymbol{b}}_{{\boldsymbol{F}}_{\rm{a}}}\)

N = 10

t = N/2

−2.4140 ± 0.0657

2.0244 ± 0.2515

−2.2974 ± 0.0581

0.3210 ± 0.0438

−2.4481 ± 0.0678

1.3741 ± 0.2922

0.1763 ± 0.0531

 

t = 2 N

−2.5070 ± 0.0663

1.9002 ± 0.0648

−1.2819 ± 0.0301

0.3079 ± 0.0154

−2.5667 ± 0.0637

1.8801 ± 0.0702

0.0465 ± 0.0232

N = 50

t = N/2

−2.1444 ± 0.0805

1.6447 ± 0.0899

−1.9312 ± 0.0525

0.2697 ± 0.0133

−2.5151 ± 0.0929

1.1384 ± 0.1004

0.1994 ± 0.0184

 

t = 2 N

−2.6496 ± 0.1065

2.4997 ± 0.1066

−0.0908 ± 0.0144

−0.0448 ± 0.0089

−2.4896 ± 0.1217

2.4214 ± 0.1323

−0.0421 ± 0.0128

  1. Estimates are averaged over replicates, and are given with their empirical standard errors. Extended results are reported in the Supplementary Material including results from N = 25 lines and t = N/2 (Tables S4 and S5)