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Use of warpSet or gaussNorm for CyTOF mass cytometry data #32

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ashipde opened this issue May 7, 2020 · 2 comments
Open

Use of warpSet or gaussNorm for CyTOF mass cytometry data #32

ashipde opened this issue May 7, 2020 · 2 comments

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@ashipde
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ashipde commented May 7, 2020

Can one use the warpSet or gaussNorm function of flowStats to normalize high-dimensional CyTOF data? I have such data with a 36-marker panel for 70 samples and I want to reduce batch effects among the samples through normalization.

@SamGG
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SamGG commented May 7, 2020

I think Greg will bring a solid answer.
I just want to point you to the two recent articles on that subject and my post on their approach.
http://cytoforum.stanford.edu/viewtopic.php?f=3&t=1875
If you are interested in gaussNorm, Sofie VG has a script that she probably set up during her analysis. I didn't evaluate this as the distribution around the zero looks like a truncated gaussian in the best of the case. I think gaussNorm should be used to realign the positive peak, but the zero stays at zero.
https://github.com/saeyslab/CytoNorm_Figures/blob/master/GaussNorm.Rmd
Don't hesitate to share your feedback on Cytoforum.
Best.

@gfinak
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gfinak commented May 10, 2020

I agree, I recommend a more modern method. We are not really supporting gaussNorm or warpSet any more.

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