Compute the Phylostratum Contribution to the Global Transcriptome Age Index

Description

This function takes a standard ExpressionSet object and computes the partial contribution of the different phylostrata (ps) to the global Transcriptome Age Index profile.

Usage

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pTAI(ExpressionSet)

Arguments

ExpressionSet

a standard PhyloExpressionSet object.

Details

This way of computing the partial contribution of the different phylostrata (ps) to the global Transcriptome Age Index profile was introduced by Domazet-Loso and Tautz, 2010. This function (pTAI) computes the partial TAI contribution for each phylostratum and each developmental stage and returns a data matrix storing the partial TAI contribution value for each phylostratum and each developmental stage.

Author(s)

Hajk-Georg Drost

References

Domazet-Loso T. and Tautz D. (2010). A phylogenetically based transcriptome age index mirrors ontogenetic divergence patterns. Nature (468): 815-818.

See Also

pTDI, TAI, TDI, PlotPattern

Examples

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data(PhyloExpressionSetExample)

# get the partial contribution of phylostrata to the global
# TAI pattern
pTAI(PhyloExpressionSetExample)

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