Are the files in Bulk/Genotype Results/Genotype calls already imputed?

Xiaoyu Zhao

Hello, I am a new user and am attempting to conduct a GWAS study.I have watched the online video tutorials from the DNAnexus (https://www.youtube.com/watch?v=762PVlyZJ-U) and noticed that the genotype files used are from Bulk/Genotype Results/Genotype calls. I am aware that there appears to be another folder containing explicitly imputed files at Bulk/Imputation/UKB imputation from genotype.

My questions are:

  1. Are the files in Bulk/Genotype Results/Genotype calls already imputed?It seems that I haven't seen any document description. 
  2. Is there a recommended pipeline or best-practice guide for performing GWAS using UK Biobank data that I could refer to?

    Thank you very much for your time and assistance.

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