Section 1: kin-finding | A quick look at the dataset | Finding and classifying kin pairs | Find 'strong' kin pairs and split out POPs | Find definite FSPs | Examine covariates of kin-pairs data | Alternative POP statistic | Section 2: cleaning the bluefin dataset | Population allele frequencies | Checking for badly-behaved loci | Finding and removing duplicate samples | Samples from another population or species | Cross-contaminated and degraded samples | How has removing bad fish impacted our apparent locus quality? | Kinfer the bluefin dataset | Section Three: do we really need to do all that cleaning? | Duplicates | Contaminated or degraded samples