User: Hamtaro

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Hamtaro10
Reputation:
10
Status:
New User
Location:
Spain
Last seen:
2 days, 12 hours ago
Joined:
4 years, 5 months ago
Email:
e*************@um.es

Posts by Hamtaro

<prev • 15 results • page 1 of 2 • next >
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Comment: C: Different gen identifiers with the same gene name [HTA 2.0 microarrays]
... Yes. But that is how the HTA 2.0 database shows. :/ ...
written 4 weeks ago by Hamtaro10
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Comment: C: Different gen identifiers with the same gene name [HTA 2.0 microarrays]
... How can I know that? ...
written 4 weeks ago by Hamtaro10
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Different gen identifiers with the same gene name [HTA 2.0 microarrays]
... Hello everybody. This is the first time I use HTA 2.0 expression microarrays. I tried to looking for something on internet about this, but I haven't found anything. After annotation of the transcript clusters I added the gene symbol (SYMBOL) and a short description of the gene the cluster repres ...
annotation hta2.0 microarrays written 4 weeks ago by Hamtaro10
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Comment: C: Survival analysis with gene expression
... At first, I used that model with validation patient set to see if the ROC was still high. However, I read that this is not correct, as I am redoing the coefficients, not validating them. To do a validation, I found this package that allows you to do internal and external validation. [https://cran ...
written 3 months ago by Hamtaro10
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Comment: C: Survival analysis with gene expression
... Thank you for you reply. I got it! But now, one more question. Now that I have the genes identified, I want to validate them with a validation set samples. What method would you use? I have taken my genes that affect patient survival and used them using the clinical data from the validation set pa ...
written 3 months ago by Hamtaro10
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Comment: C: Survival analysis with gene expression
... Muy bien gracias! :P Thank you for your reply. Yes, I will do that. Do you know of any tutorials for doing the penalized Cox regression? I haven't found anything on the Internet applied to genes and clinical data. ...
written 4 months ago by Hamtaro10
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Comment: A: Survival analysis with gene expression
... Hello Dr. Kevin. Thank you very much for these tutorials. You helping thousands of students from all over the world (Here one from Spain). I've adapted your code to my HTA 2.0 microarray studio. And I've gone from having 350 candidate genes to 35 genes that influence patient survival. My boss tol ...
written 4 months ago by Hamtaro10
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Comment: C: What to do with the empty rows of results obtained with the Affymetrix Expressio
... I just check what you said. I'm using the last annotation file updated in TAC catalogue ([https://freeimage.host/i/Ju25Rn][1]) This is very weird, because analyzing the same CEL with Bioconductor, in this case it does find the name of the gene. [1]: https://freeimage.host/i/Ju25Rn ...
written 6 months ago by Hamtaro10
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Comment: C: What to do with the empty rows of results obtained with the Affymetrix Expressio
... I used GeneChip™ Human Transcriptome Array 2.0 microarrays. The raw files are .CEL files ...
written 6 months ago by Hamtaro10
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Comment: C: RMA with Affymetrix Expression Console vs Oligo package
... Thank you Kevin. Could you help me with this question? https://www.biostars.org/p/433126/ Nobody replies me.. ...
written 6 months ago by Hamtaro10

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