Cumulative plot of the N statistic for both the UMD2 (blue) and BCM4 (red) assemblies. Each point (X, Y) in the plot shows the contig size Y such that X% of the genome is contained in contigs of length Y or larger, for a genome of size 2.5 Gbp. For example, the N50 size for each assembly corresponds to the value of Y at X = 50; for UMD2 this value is 93,156 and for BCM4 it is 81,627.
Zimin et al. Genome Biology 2009 10:R42 doi:10.1186/gb-2009-10-4-r42