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Table 2 Blob detection using TINNiK for simulated data for \({\mathcal {N}}^+\) of Fig. 1 (L). Entries give ranges for \(\alpha \) on which the full tree of blobs, and individual blobs, are correctly inferred with the T3 test. Interval endpoints are approximate, with dashes indicating the correct multifurcation is never inferred. For all analyses, \(\beta =1\)

From: TINNiK: inference of the tree of blobs of a species network under the coalescent model

Number n of gene trees

Range of \(\alpha \) values, for blob detection. (\(\beta = 1\).)

Tree of Blobs

   

Fully correct

B-blob detected

C-blob detected

D-blob detected

 

Low ILS: \(k=2\).

10000

\([ 10^{-170}, \, 0.01 ]\)

\([ 10^{-170}, \, 0.01]\)

\([ 10^{-300}, \, 0.01 ]\)

\([ 10^{-170}, \, 0.01 ]\)

1000

\([ 10^{-15},\, 10^{-4}]\)

\([ 10^{-16},\, 10^{-4} ]\)

\([ 10^{-49},\, 0.01]\)

\([ 10^{-15}, 10^{-4},]\)

500

\([ 10^{-6},\, 0.001]\)

\([ 10^{-7},\, 0.001]\)

\([ 10^{-25},\, 0.01]\)

\([ 10^{-6},\, 0.001]\)

300

\([ 10^{-6},\, 10^{-5}]\)

\([ 10^{-17},\, 0.01]\)

300

 

Moderate ILS: \(k=1\).

10000

\([ 10^{-55} ,\ 0.001] \)

\([ 10^{-55} ,\ 0.001]\)

\([ 10^{-216}, \, 0.001]\)

\([ 10^{-55} ,\ 0.001]\)

1000

\([ 10^{-7},\, 0.001]\)

\([ 10^{-7},\, 0.001]\)

\([ 10^{-23} ,\, 0.01]\)

\([ 10^{-7},\, 0.001]\)

500

\([ 10^{-4} ,\, 0.005]\)

\([ 10^{-4} ,\, 0.008]\)

\([1\times 10^{-13}, \, 0.01 ]\)

\([ 10^{-4} ,\, 0.005]\)

300

\([ 10^{-7}, \, 0.003]\)

300

 

High ILS: \(k=0.5\).

10000

\([ 10^{-12},\, 0.001]\)

\([ 10^{-12},\, 0.001]\)

\([ 10^{-88},\, 0.001]\)

\([ 10^{-17},\, 0.001]\)

1000

\([ 10^{-8},\, 0.001]\)

500

\([ 10^{-4},\, 0.001]\)

300