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Bioinformatics Team (BioITeam) at the University of Texas
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VCF format has Allele Frequency tags denoted by either AF1 or AF. Try the following command to see what value we have in our files.

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For the data we are dealing with, predictions with an allele frequency not equal to 1 are not really applicable. How can we remove these lines from the file and continue on?

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Hint 1
Hint 1

What does the -v flag do in grep?

Code Block

grep -v *something*

Determining Differences Between Aligners.

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