The MutationalPatterns R package provides a comprehensive set of flexible functions for easy finding and plotting of mutational patterns in base substitution catalogues.
Please give credit and cite MutationalPatterns R Package when you use it for your data analysis. The MutationalPatterns paper is published in Genome Medicine Blokzijl et al. 2018.
Please use Bioconductor to install this package. In Introduction to MutationalPatterns you can find comprehensive examples and explanations for the functions this package provides.