This computer package can carry out the following tests: Tajima’s D, Fay and Wu’s H, the Ewens-Watterson test, the E test, the compound tests (DH, HEW and DHEW). These were describied in Zeng et al. (2006, 2007a, b).



A program for generating samples under selection and demographic models using forwards-in-time simulations. See the manual for more information.



A program for generating samples under background selection models. See the manual for more information.


Zeng and Charlesworth (2009)

This computer package implements the two-allele model with reversible mutation, selection, and varying population size described in Zeng and Charlesworth (2009). The program is written in C and requires several supporting packages. Details of installation and usage can be found in the manual included in the package. Last updated: 20 Nov 2015.


Evans et al. (2014)

This computer package contains an extended version of the program used to obtain the results reported in the above paper. Briefly, it can be used to estimate the X:A ratio of effective population size, taking into account changes in population size and weak selection (e.g., selection on codon bias).