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Table 4 Description of the pseudo-maximum likelihood derived mixture model for estimating copy number in sequence data

From: Copy number variants in the sheep genome detected using multiple approaches

Copy number

Distribution

Mixture weights

Mean

Variance

0

Half normal, centered on zero

Ï€ 0

\( \sqrt{2\pi }{\sigma}_0 \)

σ 20

1

Normal

Ï€ 1

\( \frac{1}{2}{\displaystyle {\mu}_2} \)

\( \frac{1}{2}{\displaystyle {\sigma}_2^2} \)

2

Normal

1 − π 0 − π 1 − π 3 − π 4

μ 2

σ 22

3

Normal

Ï€ 3

\( \frac{3}{2}{\displaystyle {\mu}_2} \)

\( \frac{3}{2}{\displaystyle {\sigma}_2^2} \)

4

Normal

Ï€ 4

\( \frac{4}{2}{\displaystyle {\mu}_2} \)

\( \frac{4}{2}{\displaystyle {\sigma}_2^2} \)