Description Usage Arguments Details Value Author(s) References See Also Examples
The function fits a two-component Negative Binomial mixture model.
1 |
y |
A vector representing the transformed data that follows the normal mixture distribution. |
d |
A vector of the same length as y representing the normalization constant to be applied to the data. |
model |
Character specifying E or V model. E model fits the mixture model with equal variance while V model doesn't put any constraint. |
This function calls the mclust package to fit the 2-component normal mixture.
A vector consisting parameter estimates of mu1, mu2, phi1, phi2, pi1, logLik and BIC.
Pan Tong (nickytong@gmail.com), Kevin R Coombes (krc@silicovore.com)
Wang, J.,Wen, S., Symmans,W., Pusztai, L., and Coombes, K. (2009). The bimodality index: a criterion for discovering and ranking bimodal signatures from cancer gene expression profiling data. Cancer informatics, 7, 199.
Fraley, C. and Raftery, A. (2002). Model-based clustering, discriminant analysis, and density estimation. Journal of the american statistical association, 97(458), 611:631. Tong, P., Chen, Y., Su, X. and Coombes, K. R. (2012). Systematic Identification of Bimodally Expressed Genes Using RNAseq Data. Bioinformatics, submitted.
SIBER fitLN fitNB fitGP
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