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Moderator: Giovanni M Dall'Olio

gravatar for Giovanni M Dall'Olio
Reputation:
25,130
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Location:
London, UK
Website:
http://bioinfoblog.it/
Twitter:
dalloliogm
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Google Scholar Page
Last seen:
1 day, 15 hours ago
Joined:
7 years, 6 months ago
Email:
d*********@gmail.com

Research Associate at the King's College of London. Interested in human population genetics and cancer.

Posts by Giovanni M Dall'Olio

<prev • 1,372 results • page 1 of 138 • next >
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Comment: C: p-value in GSEA
... Just a clarification: the p-values did not change because of the order of genes, but because of a different random number seed. Try running the same analysis on the same set without changing the order, and the p-values will be different again. ...
written 6 days ago by Giovanni M Dall'Olio ♦ 25k
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Comment: C: p-value in GSEA
... Moderator note: I've moved this from a comment to a reply, so it can be voted as a proper answer. ...
written 6 days ago by Giovanni M Dall'Olio ♦ 25k
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Answer: A: Converting gene ids to each other
... In my personal order of preference: - Mygene.info http://mygene.info/ - can recognize many types of IDs automatically. When an Ensembl ID matches to multiple Entrez ID, they hacked a way to map to only the entrez id with the correct symbol - HGNC Biomart http://biomart.genenames.org/ - HGNC is th ...
written 7 weeks ago by Giovanni M Dall'Olio ♦ 25k
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Comment: C: Poll: How many people have PyPy?
... Why would I need to have PyPy installed? ...
written 8 weeks ago by Giovanni M Dall'Olio ♦ 25k
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Comment: C: PCA for deregulated genes - technical question
... I agree with your comments - it seems something is wrong with the experiment, there it should not be so many NAs. The best thing to do would be to revise the design. ...
written 9 weeks ago by Giovanni M Dall'Olio ♦ 25k
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Comment: C: Different results with edgeR when adding gene symbols
... how many rows do you have before and after adding the gene names? ...
written 10 weeks ago by Giovanni M Dall'Olio ♦ 25k
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Comment: C: How to make a color plot out of three columns from a dataframe in R?
... Just remove the geom_text() part that you don't need. ...
written 10 weeks ago by Giovanni M Dall'Olio ♦ 25k
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Answer: A: How to make a color plot out of three columns from a dataframe in R?
... I haven't understood very well what you are asking, but I think this code will help you. I switched the X and Y axis because if the plot contains 1000s of values, putting them all on the X axis will be unreadable, unless you have a very wide plot. Note that your input data contains some duplicated ...
written 10 weeks ago by Giovanni M Dall'Olio ♦ 25k
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Comment: C: How to make a color plot out of three columns from a dataframe in R?
... but if you have 1000s of IDs as you say, then the plot will become very confused. You will not be able to read the ID names, unless you have a very long plot. ...
written 10 weeks ago by Giovanni M Dall'Olio ♦ 25k
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Comment: C: How to make a color plot out of three columns from a dataframe in R?
... I don't understand what you are trying to plot. Your example data frame contains three columns. What do you want on the X axis? On Y? Which column do you want to map as color? ...
written 10 weeks ago by Giovanni M Dall'Olio ♦ 25k

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Appreciated 6 days ago, created a post with more than 5 votes. For C: Computing Number Of Nucleotide And Genes On Each Chromosome
Good Question 6 days ago, asked a question that was upvoted at least 5 times. For What Is Your Experience With The String (Interactions) Database?
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Appreciated 6 weeks ago, created a post with more than 5 votes. For What Is Your Experience With The String (Interactions) Database?
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Great Question 7 weeks ago, created a question with more than 5,000 views. For A Database Of Signatures Of Selection In The 1000 Genomes Dataset
Teacher 7 weeks ago, created an answer with at least 3 up-votes. For A: What Is The Input Format For Rnaplot In The Vienna Package?
Appreciated 7 weeks ago, created a post with more than 5 votes. For What Is Your Experience With The String (Interactions) Database?
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