8
votes
Accepted
Why do I get so many insertions from Minimap2 on my Nanopore WGS?
Insertions and deletions are the dominant error mode of long read sequencing, including nanopore sequencing. What you see is not unexpected. Things may have improved by now if you would download the ...
- 1,304
7
votes
Accepted
Is there a more elegant solution to the bwa-mem: paired reads have different names error?
Assuming the read name lines only contain things like @JQ714243-920-1 and nothing else, then sed -i '1~4 s/-[12]$//' file.fastq (...
- 19.5k
5
votes
Accepted
cooler out of memory
It seems to be some kind of a memory leak in pandas's read_csv, maybe due to it doing gzip-decompression.
Doing the decompression in a separate process and piping ...
- 166
5
votes
Accepted
problem of "ordering in physical positions" phasing SNPs with Shapeit
The manual suggests that each "chromosome" needs to have its own input file.
You have to split the dataset by chromosomes. ShapeIT can just phase one chromosome at a time. If you are ...
- 2,574
5
votes
Accepted
Why doesn't Biopython AlignIO.read() recognise the 'mauve' format?
You're using version 1.68 or older. Mauve support was added in 1.70.
- 19.5k
5
votes
Accepted
Using SED command in Nextflow script
Inside your script's command string, assembly_id is actually a java.lang.String so trying to manipulate it with a Bash operation (i.e. using ...
- 2,734
4
votes
Nextflow with Minimap2 not working
Command error:
.command.sh: line 2: ./minimap2: No such file or directory
Work dir:
/Users/rimo/Desktop/AWS/minimap2/work/ae/47e3c0708f33b1949315fc83066b95
...
- 2,734
4
votes
Accepted
checks for spike-in sequence controls
Disclaimer: I'm a developer for http://www.sequin.xyz.
Sequin is a new set of spiked-in controls for next-generation sequencing, and that includes Illumina. We design controls for RNA-Seq, genome ...
- 2,719
4
votes
Accepted
What are some ways to error correct Oxford Nanopore long read sequencing?
How are you evaluating sequencing error rate? My most recent re-calls of 2017 sequences are demonstrating median single-read accuracy over 96%.
Before considering Illumina, it'd be worth it to do an ...
- 13k
3
votes
Difference between clinical significance and statistical significance
This is non-parametric statistics, the mean requires confirmation to the normal distribution (but there are exceptions), or perhaps better put it requires a fixed relationship between mean and ...
M__♦
- 10.3k
3
votes
Oxford Nanopore mapping Quality and sequencing error
Where i know with the phred score mapQ of 60 means 99.9999% of the bases are called correctly.
That's not at all what the MAPQ means, it means that the sequence is very likely to have originated from ...
- 19.5k
3
votes
Accepted
Dealing with absence of coverage
I'll fix the bamCoverage issue in the 2.6.0 release (it may already be fixed since I rewrite how bigWig files are made for that release). You can follow my status ...
- 19.5k
3
votes
Accepted
GFF file too big to load into R
It depends of course on your available RAM on your computer.
Under Windows you can increase the available RAM in R with memory limit:
...
- 3,561
3
votes
Accepted
How to install blasr on Mac OS X?
The path of least resistance is probably to run the software inside a container. If you install docker, you can just do the following:
...
- 1,806
2
votes
Accepted
Nextflow Pipeline: Unexpected Input "{"
Nextflow does not have an env process directive. If stringtie is not already in your $PATH, ...
- 2,734
2
votes
Accepted
Difference between clinical significance and statistical significance
Another viewpoint could be : statistically significant implies use of sampling theory to establish presence of significant difference between case and control groups. The "clinical " significance ...
- 186
2
votes
Accepted
the following errors are found during the installation of an open source software, UNCeqR on z shell
It is a Perl compilation error:
(Perl libraries) Math::CDF-0.1 -- Generate probabilities and quantiles from several
statistical probability functions
conda install -c bioconda perl-math-cdf
cpan ...
- 176
2
votes
Ensembl Variant Effect Predictor (VEP) issue during execution
You might prefer to run VEP in offline mode:
Using --cache (without --offline) uses the local cache on disk to
fetch most ...
- 2,734
2
votes
How to install blasr on Mac OS X?
I've had many issues with installing blasr on my own, but it's a breeze using (bio)conda, see https://anaconda.org/bioconda/blasr
conda install -c bioconda blasr
- 1,304
2
votes
Accepted
Accessing UCSC genome via ssh results in a validation error
You need to setup ssh keys. All the commands in the script are going to use ssh to run the commands. Note the tips here of how to setup ssh keys:
http://genomewiki.ucsc.edu/index.php/...
- 81
2
votes
MUMmer plot error. Line 884. What to do?
I had the same error and I solved by removing defined and writing only if (%$rref) in the mummerplot code. You have to do this ...
1
vote
Error pasing the following line in pdb
A PDB file has strict spacing rules as documented here.
The coordinates should be:
...
- 4,124
1
vote
hgsql not found when running a script despite being accessible on command-line
It is possible that the shell being used in the process is different from your standard command line shell. I am not familiar with the tool, and it's hard to say more without knowing your OSX version, ...
- 3,409
1
vote
How to install blasr on Mac OS X?
is there reason why you want to compile it by your own? You can install blasr though homebrew and brewsci/science tap :
brew tap brewsci/science
brew install blasr
...
- 5,467
Only top scored, non community-wiki answers of a minimum length are eligible