All grafụ n'akwụkwọ a e kere ke R (Team 2016) , na-eji ndị na-esonụ nchịkọta: ggplot2 (Wickham 2009) , dplyr (Wickham and Francois 2015) , reshape2 (Wickham 2007) , stringr (Wickham 2015) , ụgbọ ala (Fox and Weisberg 2011) , cowplot (Wilke 2016) , PNG (Urbanek 2013) , okporo (Team 2016) , ggrepel (Slowikowski 2016) , na emojifont (Yu 2016) .
