Hi Sherif, If Ni hasn’t responded to you yet I believe he would be the right person to reply to your request. I am cc:ing him to this email. Cheers, Vlad -- Vladimir Kiselev CellGen Informatics<http://www.sanger.ac.uk/science/groups/cellular-genetics-informatics> Team Leader Wellcome Sanger Institute Wellcome Genome Campus Hinxton, Cambridge, CB10 1SA Phone: +44 (0) 1223 496850 Message: Mattermost<https://mattermost.sanger.ac.uk/cellgeninf> or Slack<https://cellgeni.slack.com/> Web: https://wikiselev.github.io From: "Gerges, Sherif" &lt;sherif_gerges(a)g.harvard.edu&gt; Date: Tuesday, 6 October 2020 at 15:07 To: &quot;cv19caingest(a)sanger.ac.uk&quot; &lt;cv19caingest(a)sanger.ac.uk&gt; Subject: [Cv19caingest] Normalization [EXT] Hi! I hope this email finds you well! I have a question about the normalized expression for the datasets on covidatlas. How are the data normalized? Are gene expression values comparable across cell types? Best wishes, Sherif -- Sherif Gerges PhD Candidate Harvard Medical School | Broad Institute of Harvard and M.I.T | Analytic & Translational Genetics Unit, MGH Institute for Applied Computational Science | Harvard John A. Paulson School of Engineering and Applied Sciences