http://online-learning.harvard.edu/series/xseries-data-analysis
http://www.popgen.wzw.tum.de/fileadmin/pdf/Tellier-Lecture3-Coalescent-Mutations-EffectPopSize.pdf
https://cgrlucb.wikispaces.com/file/view/CGRL_SNP_workshop.pdf
https://github.com/mfumagalli/ngsTools/blob/master/TUTORIAL.md
http://www.popgen.dk/angsd/index.php/Heterozygosity
http://www.popgen.dk/angsd/index.php/Filters
http://www.popgen.dk/angsd/index.php/Thetas,Tajima,Neutrality_tests
https://github.com/ANGSD/angsd/wiki/SFS
https://math.la.asu.edu/~jtaylor/teaching/Spring2017/BIO545/lectures/frequencies.pdf
http://www.popgen.dk/angsd/index.php/Abbababa
https://www.biostars.org/p/150600/
https://www.biostars.org/p/178983/
http://zzz.bwh.harvard.edu/plink/ibdibs.shtml#homo
https://www.biostars.org/p/73678/
http://cbsu.tc.cornell.edu/lab/doc/variant_workshop_part2.pdf
https://gencore.bio.nyu.edu/tag/gatk/
https://gatkforums.broadinstitute.org/gatk/discussion/2806/howto-apply-hard-filters-to-a-call-set
https://gatkforums.broadinstitute.org/gatk/discussion/comment/32399
https://software.broadinstitute.org/gatk/documentation/article.php?id=6925 http://mbontrager.org/blog/2016/08/17/Variant-Exploration
https://taming-the-beast.github.io/tutorials/Troubleshooting/Troubleshooting.pdf
https://www.biostat.washington.edu/sites/default/files/modules//2016_SISMID_13_11.pdf
https://www.datacamp.com/courses/reporting-with-r-markdown/
https://www.rstudio.com/resources/webinars/introducing-notebooks-with-r-markdown/