User: melania 2282

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melania 228210
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Posts by melania 2282

<prev • 7 results • page 1 of 1 • next >
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Answer: A: Meta analysis on 2 genotyping data set
... It seems that to use METAL i need to have separately a file for each marker : - Is there a bash code that i can use to extract a file for each marker from a big one file ? -Is there any alternative to METAL to do this with R ( I am more used to R :( ...) THANK YOU VERY MUCH ...
written 11 days ago by melania 228210
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Comment: C: Meta analysis on 2 genotyping data set
... Thank you very much Sam ...
written 12 days ago by melania 228210
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Meta analysis on 2 genotyping data set
... Hi Please is there any tutorial or help on.doing meta anlysis in R on genotyping data sets ( about 300 000) SNP , three case control studies all genotype with same DNA chip, my questions are : 1/which r package do you advise me ? 2/ can you help with a detailed tutorial with different steps : data ...
R snp written 12 days ago by melania 228210
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Comment: C: Trainng and validation set selection
... Thank you Jean-Karim, It's envirmontal exposure data and genotyping data (DNA Chip), and I would like to caracterize interaction between exposure and some SNP's. So I am trying to validate my results in a secod part of the population ... I am using plink and R, how can I split may data in R in the ...
written 28 days ago by melania 228210
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Trainng and validation set selection
... Dear all, I am working on a big population of many pooled case-controls study , and for the genetic analysis I would like to perform a first analysis on a part of the population than to validate the results on the second part. How I can I have two similar groups from the initial population ? How ca ...
R case control genotyping written 29 days ago by melania 228210
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Filter Variant in DNA repair genes
... Hi I would like to filter the SNPs in/near DNA repair genes from a list of almost 500000 SNPs, I tried with biomart but no success. Could any one help ? Thank you ...
gene R snp written 9 weeks ago by melania 228210
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Haplotype association in case-control study with R
... Hello, Please what do advice me to perform haplotype association test on a sample of 1000 observation with R. I tried to use Haplostats but it's very slow and always crush. I tried to use beagle data converted with pseudomarker program, but I don't know how to use it in R. Can you help please ? ...
R haplotype case-control snp beagle written 7 months ago by melania 228210

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