Questions tagged [featurecounts]

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Normalize RNA seq data from multiple runs for expression analysis

I have RNA samples sequenced with TruSeq Stranded Total RNA kit protocol in Illumina HiSeq (2x125bp) and NovaSeq platforms (2x150bp) - almost 100 samples altogether. I have to use the samples data for ...
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1answer
42 views

RNASeq analysis using featureCount and EdgeR

I am using a pipeline (bam -> featurecount-> EdgeR) to do some RNASeq analysis of several groups and sub-groups. For example, I have the following dataset with two types (T1 and T2) and T1 has ...
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1answer
180 views

What is “unmapped read segments” in the output of samtools idxstats?

samtools idxstats produces a four column output (see here) ...
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1answer
27 views

Reads count in metagenomics

Background: I am developing a pipeline for metagenomic studies of human gut microbiote. In particular, I am mapping the reads data originating from shotgun whole genome sequencing onto a gene ...
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1answer
732 views

Error using htseq-count: Could not retrieve index file

I have a total RNAseq dataset that I aligned using STAR producing BAM files (sorted by coordinates). I am now trying to get counts for the lncRNA sequences using htseq-count, with the command: ...
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1answer
296 views

How do I tell featureCounts to ignore fragments that overlap with more than one feature?

I am using featureCounts from the subread package to count the number of fragments per gene in an RNA-seq experiment. I feed it a BAM file with paired-end reads aligned to a reference genome. In the ...
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1answer
117 views

featureCounts segmentation fault on Arch Linux

I am encountering a segmentation fault when attempting to run featureCounts from subread-1.6.3 on even small test data. I installed featureCounts from SourceForge ...