Wavelet based time-varying vector autoregressive modelling
Computational Statistics & Data Analysis
Temporal causal modeling with graphical granger methods
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Interaction Based Functional Clustering of Genomic Data
BIBE '09 Proceedings of the 2009 Ninth IEEE International Conference on Bioinformatics and Bioengineering
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Understanding the molecular biological processes underlying disease onset requires a detailed description of which genes are expressed at which time points and how their products interact in so-called cellular networks. High-throughput technologies, such as gene expression analysis using DNA microarrays, have been extensively used with this purpose. As a consequence, mathematical methods aiming to infer the structure of gene networks have been proposed in the last few years. Granger causality-based models are among them, presenting well established mathematical interpretations to directionality at the edges of the regulatory network. Here, we describe the concept of Granger causality and explore recent advances and applications in gene expression regulatory networks by using extensions of Vector Autoregressive models.