Provides a set of functions to perform pathway analysis and meta-analysis from multiple gene expression datasets, as well as visualization of the results. This package wraps functionality from the following packages: Ritchie et al. (2015) , Love et al. (2014) , Robinson et al. (2010) , Korotkevich et al. (2016) , Efron et al. (2015) , and Gu et al. (2012) .