Version information

sessionInfo()

## R version 3.2.2 (2015-08-14)
## Platform: x86_64-pc-linux-gnu (64-bit)
## Running under: CentOS Linux 7 (Core)
## 
## locale:
## [1] C
## 
## attached base packages:
## [1] stats     graphics  utils     datasets  grDevices methods   base     
## 
## other attached packages:
## [1] ggplot2_2.0.0        longevityTools_1.0.1 BiocStyle_1.8.0     
## 
## loaded via a namespace (and not attached):
##  [1] Rcpp_0.12.3      codetools_0.2-14 digest_0.6.9     plyr_1.8.3       grid_3.2.2      
##  [6] gtable_0.1.2     formatR_1.2.1    magrittr_1.5     evaluate_0.8     scales_0.3.0    
## [11] stringi_1.0-1    rmarkdown_0.9.2  tools_3.2.2      stringr_1.0.0    munsell_0.4.2   
## [16] yaml_2.1.13      colorspace_1.2-6 htmltools_0.3    knitr_1.12.3