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velocyto.py

Velocyto.py a library for the analysis of RNA velocity.

Detailed information about velocyto.py can be found here: https://github.com/velocyto-team/velocyto.py.

Link to section 'Versions' of 'velocyto.py' Versions

  • 0.17.17

Link to section 'Commands' of 'velocyto.py' Commands

  • python
  • python3
  • velocyto

Link to section 'Module' of 'velocyto.py' Module

You can load the modules by:

module load biocontainers  
module load velocyto.py/0.17.17-py39

Link to section 'Interactive job' of 'velocyto.py' Interactive job

To run Velocyto.py interactively on our clusters:

(base) UserID@bell-fe00:~ $ sinteractive -N1 -n12 -t4:00:00 -A myallocation
salloc: Granted job allocation 12345869
salloc: Waiting for resource configuration
salloc: Nodes bell-a008 are ready for job
(base) UserID@bell-a008:~ $ module load biocontainers cellrank/1.5.1
(base) UserID@bell-a008:~ $ python
Python 3.9.10 |  packaged by conda-forge |  (main, Feb  1 2022, 21:24:11)
[GCC 9.4.0] :: Anaconda, Inc. on linux
Type "help", "copyright", "credits" or "license" for more information.  
>>> import velocyto as vcy
>>> vlm = vcy.VelocytoLoom("YourData.loom")
>>> vlm.normalize("S", size=True, log=True)
>>> vlm.S_norm  # contains log normalized  

Link to section 'Batch job' of 'velocyto.py' Batch job

Using #!/bin/sh -l as shebang in the slurm job script will cause the failure of some biocontainer modules. Please use #!/bin/bash instead.

To submit a sbatch job on our clusters:

#!/bin/bash
#SBATCH -A myallocation     # Allocation name 
#SBATCH -t 10:00:00
#SBATCH -N 1
#SBATCH -n 24
#SBATCH --job-name=Velocyto
#SBATCH --mail-type=FAIL,BEGIN,END
#SBATCH --error=%x-%J-%u.err
#SBATCH --output=%x-%J-%u.out

module --force purge
ml biocontainers velocyto.py/0.17.17-py39

velocyto run10x cellranger_count_1kpbmcs_out refdata-gex-GRCh38-2020-A/genes/genes.gtf
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