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HWE calculation in R, based on knowing the counts
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| nAA=76 | |
| nAa=1501 | |
| naa=7823 | |
| n=nAA+nAa+naa | |
| pA=(2*nAA+nAa)/(2*n) | |
| pa=1-pA | |
| obs= c(nAA,nAa,naa) | |
| exp=c(n*pA^2,2*n*pA*pa,n*pa^2) | |
| val=sum(((obs-exp)^2)/exp) | |
| 1-pchisq(val,df=1) |
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