preseq (spack): The preseq package is aimed at predicting and estimating the complexity of a genomic sequencing library, equivalent to predicting and estimating the number of redundant reads from a given sequencing depth and how many will be expected from additional sequencing using an initial sequencing experiment. 
Keywords: bioinformatics|capture-recapture|capture-recapture-models|library-complexity|sequencing|sequencing-coverage