Dr. Nagarajan's research involves developing sophisticated mathematical and
computational tools to gain insight into biological systems and processes. His current
research areas include: 

Bioinformatics, Systems Biology, Machine Learning Applications, Time Series
Analysis/Signal Processing. 

Computational Biology/Bioinformatics

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A Note on Inferring Acyclic Network Structures Using Granger Causality Tests, The International Journal of Biostatistics (2009)
Granger causality (GC) and its extension have been used widely to infer causal relationships from...
 

Longitudinal Data Analysis and Time Series

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A Note on Inferring Acyclic Network Structures Using Granger Causality Tests, The International Journal of Biostatistics (2009)
Granger causality (GC) and its extension have been used widely to infer causal relationships from...
 

Microarrays

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Power-law Signatures and Patchiness in Genechip Oligonucleotide Microarrays, Applications of Computational Intelligence in Bioinformatics and Biomedicine (2007)
 

Singular Spectrum Analysis