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User: kristoffer.vittingseerup

gravatar for kristoffer.vittingseerup
Reputation:
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European Union
Twitter:
@kvittingseerup
Last seen:
1 month, 3 weeks ago
Joined:
5 years, 10 months ago
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k***********************@bio.ku.dk

Posts by kristoffer.vittingseerup

<prev • 483 results • page 2 of 49 • next >
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Comment: C: Packages in R for analyze premature stop codon and GC contents
... IsoformSwitchAnalyzeR can work directly from the "rsem.isoforms.results". I suggest you take a look at the [quick start][1] part of the vignette which should describe exactly what you need including code you can use. [1]: https://bioconductor.org/packages/devel/bioc/vignettes/IsoformSwitchAnalyz ...
written 5 months ago by kristoffer.vittingseerup • 3.5k
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Answer: A: Normalization for comparing expression statistics across sample and gene groups
... I would as you suggest use `vst` and then afterwards normalize for gene-length as well ( `vst / gene_length * 1e3` ). You could check with the [cqn package][1] if GC normalisation seems to be needed. [1]: https://www.bioconductor.org/packages/release/bioc/html/cqn.html ...
written 5 months ago by kristoffer.vittingseerup • 3.5k
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Comment: C: Ambiguous results of RNA-Seq data using stringtie with edgeR
... Could you clarify if you did any transcript assembly with StringTie? Also how did you take into account the paired nature of your samples in your DE analysis? Could you post a genome browser screenshot of the HOX4 gene problem? ...
written 6 months ago by kristoffer.vittingseerup • 3.5k
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Answer: A: Ribo-seq data analysis using an RNA-Seq analysis pipeline
... I'm not an expert in Ribo-seq but I don't think you can directly use an RNASeq pipeline as there are many QC steps you want to consider when handling Ribo-seq data (codon frequency etc). Have you looked at some ribo-seq pipelines? ...
written 6 months ago by kristoffer.vittingseerup • 3.5k
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Comment: C: Is it possible to identify different expressed genes by using TPM?
... You should get your collegues to give you the count data. Whichever tool calculated the TPM values most likely also calculated the (estimated) counts. Also please note if you don't have the raw data you cannot publish as that is a requirement for reproducibility. ...
written 6 months ago by kristoffer.vittingseerup • 3.5k
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Comment: C: Strange Mean-Variance plot after Voom Normalization (RNAseq)
... That does indeed look very stange! How did you quantify your samples? How many samples do you have? Did you do any filtering before using voom - if so how? ...
written 6 months ago by kristoffer.vittingseerup • 3.5k
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Comment: C: Tools To Do the Alternative Splicing Analysis
... I would just use the save() or saveRDS() function to save the R object(s), transfer them and then use load() or readRDS() to open them on your local computer. ...
written 6 months ago by kristoffer.vittingseerup • 3.5k
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Comment: C: Missing assembled transcripts after Stringtie merge
... I'm not sure. Somehow the --merge option does not consider this a propper transcript (which I might also doubt as it is >1000 nt without any introns and does not appear to be identical in any samples?). Did you try running stringtie --merge with the "-i" option? ...
written 6 months ago by kristoffer.vittingseerup • 3.5k
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Comment: C: Is rsburead splice-aware? Should I use HISAT2, rsubread, or some other aligner?
... Kallisto sounds like a good approach. With regards to IsoformSwitchAnalyzeR It is not appropriate to ask a new question as a comment (since it makes it very hard for other people to find/navigate the info/solutions). Either ask it as a new question here on biostars or in the IsoformSwitchAnalyzeR [g ...
written 6 months ago by kristoffer.vittingseerup • 3.5k
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Comment: C: differential expression with cuffdiff
... I have not been able to find it. Could you point to something more recent than [this][1] (which states cufflinks it is not deprecated). [1]: https://twitter.com/coletrapnell/status/912818455165812736 ...
written 6 months ago by kristoffer.vittingseerup • 3.5k

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Teacher 3 months ago, created an answer with at least 3 up-votes. For A: RNA-seq analysis between 2 closely related strains of the same species
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Good Answer 9 months ago, created an answer that was upvoted at least 5 times. For A: Tools To Do the Alternative Splicing Analysis
Teacher 9 months ago, created an answer with at least 3 up-votes. For A: which option is better for DESeq2 analysis: salmon or htseq-count?
Teacher 9 months ago, created an answer with at least 3 up-votes. For A: RNA-seq analysis between 2 closely related strains of the same species
Scholar 9 months ago, created an answer that has been accepted. For A: which option is better for DESeq2 analysis: salmon or htseq-count?
Teacher 11 months ago, created an answer with at least 3 up-votes. For A: RNA-seq analysis between 2 closely related strains of the same species
Scholar 12 months ago, created an answer that has been accepted. For A: which option is better for DESeq2 analysis: salmon or htseq-count?
Teacher 13 months ago, created an answer with at least 3 up-votes. For A: RNA-seq analysis between 2 closely related strains of the same species
Scholar 13 months ago, created an answer that has been accepted. For A: which option is better for DESeq2 analysis: salmon or htseq-count?
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Teacher 13 months ago, created an answer with at least 3 up-votes. For A: RNA-seq analysis between 2 closely related strains of the same species
Scholar 13 months ago, created an answer that has been accepted. For A: which option is better for DESeq2 analysis: salmon or htseq-count?
Good Answer 14 months ago, created an answer that was upvoted at least 5 times. For A: Tools To Do the Alternative Splicing Analysis
Appreciated 14 months ago, created a post with more than 5 votes. For A: How to deal with the case that one gene symbol matches multiple ensembl ids?
Scholar 14 months ago, created an answer that has been accepted. For A: which option is better for DESeq2 analysis: salmon or htseq-count?
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