Moderator: Giovanni M Dall'Olio

Reputation:
25,500
Status:
Trusted
Location:
London, UK
Website:
http://bioinfoblog.it/
Twitter:
dalloliogm
Scholar ID:
Google Scholar Page
Last seen:
2 weeks, 4 days ago
Joined:
8 years, 3 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 • 1,373 results • page 1 of 138 • next >
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Answer: A: GTEx Analysis V7 RNA-seq dataset download
... I had trouble downloading the data in the past, luckily the help desk is always very useful and they will answer in a few hours. In the end we managed to find another way to download the data using the cloud. ...
written 10 weeks ago by Giovanni M Dall'Olio26k
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Answer: C: as.integer function is converting row names in to number
... Explanation: your column is stored as factors Solution1: as.integer(as.character(mycolumn)) Solution2: use stringAsFactors=F when reading the data ...
written 10 weeks ago by Giovanni M Dall'Olio26k
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Comment: C: Boxplot in ggplot2
... This is good but I would use gather from tidyr. The package tidyr is the evolution of reshape2, and it contains more functions to massage data and reshape it for ggplot2/tidyverse. ...
written 5 months ago by Giovanni M Dall'Olio26k
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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 9 months ago by Giovanni M Dall'Olio26k
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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 9 months ago by Giovanni M Dall'Olio26k
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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 11 months ago by Giovanni M Dall'Olio26k
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Comment: C: Poll: How many people have PyPy?
... Why would I need to have PyPy installed? ...
written 11 months ago by Giovanni M Dall'Olio26k
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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 11 months ago by Giovanni M Dall'Olio26k
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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 11 months ago by Giovanni M Dall'Olio26k
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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 11 months ago by Giovanni M Dall'Olio26k

Latest awards to Giovanni M Dall'Olio

Teacher 27 days ago, created an answer with at least 3 up-votes. For A: What Is The Input Format For Rnaplot In The Vienna Package?
Teacher 9 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 10 weeks ago, created a post with more than 5 votes. For C: Computing Number Of Nucleotide And Genes On Each Chromosome
Good Answer 12 weeks ago, created an answer that was upvoted at least 5 times. For A: Working with GTEX dataset
Teacher 12 weeks ago, created an answer with at least 3 up-votes. For A: What Is The Input Format For Rnaplot In The Vienna Package?
Popular Question 4 months ago, created a question with more than 1,000 views. For Computational Biologist at GSK (Stevenage, UK - between London and Cambridge)
Appreciated 4 months ago, created a post with more than 5 votes. For What Is Your Experience With The String (Interactions) Database?
Appreciated 5 months ago, created a post with more than 5 votes. For C: Computing Number Of Nucleotide And Genes On Each Chromosome
Commentator 5 months ago, created a comment with at least 3 up-votes. For C: Computing Number Of Nucleotide And Genes On Each Chromosome
Great Question 5 months ago, created a question with more than 5,000 views. For A Database Of Signatures Of Selection In The 1000 Genomes Dataset
Commentator 5 months ago, created a comment with at least 3 up-votes. For C: Computing Number Of Nucleotide And Genes On Each Chromosome
Great Question 6 months ago, created a question with more than 5,000 views. For A Database Of Signatures Of Selection In The 1000 Genomes Dataset
Appreciated 6 months ago, created a post with more than 5 votes. For What Is Your Experience With The String (Interactions) Database?
Appreciated 6 months ago, created a post with more than 5 votes. For What Is Your Experience With The String (Interactions) Database?
Great Question 7 months ago, created a question with more than 5,000 views. For A Database Of Signatures Of Selection In The 1000 Genomes Dataset
Appreciated 7 months ago, created a post with more than 5 votes. For What Is Your Experience With The String (Interactions) Database?
Popular Question 8 months ago, created a question with more than 1,000 views. For What Is Your Experience With The String (Interactions) Database?
Good Answer 9 months ago, created an answer that was upvoted at least 5 times. For A: Should Biostar Be Switched Over To The Stackexchange Network?
Appreciated 9 months ago, created a post with more than 5 votes. For C: Computing Number Of Nucleotide And Genes On Each Chromosome
Good Question 9 months ago, asked a question that was upvoted at least 5 times. For What Is Your Experience With The String (Interactions) Database?
Good Answer 9 months ago, created an answer that was upvoted at least 5 times. For A: Should Biostar Be Switched Over To The Stackexchange Network?
Appreciated 9 months ago, created a post with more than 5 votes. For What Is Your Experience With The String (Interactions) Database?
Teacher 9 months ago, created an answer with at least 3 up-votes. For A: What Is The Input Format For Rnaplot In The Vienna Package?
Good Answer 10 months ago, created an answer that was upvoted at least 5 times. For A: Should Biostar Be Switched Over To The Stackexchange Network?
Scholar 10 months ago, created an answer that has been accepted. For A: How TCGA generanker works ?

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