riqc 0.2.0

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Description:

riqc 0.2.0

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riqc
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Alignment-free RNA degradation tool

Free software: MIT license


Installation

The simplest is to install via:
pip install riqc

If you downloaded the code directly, you can also run:
python setup.py install




Usage

Degradation Detection in Aligned Files

Example:
riqc –bam_dir=’…’ –anno_fn=’…’ –out_dir=’…’ –log=’…’




Degradation Detection in Non-Aligned Files

Example:
riqc –fastq_dir=’…’ –genome=’…’ –anno_fn=’…’
–out_dir=’…’ –out_fn=’…’ –pickle_all=’…’ –pickle_filt=’…’ –log=’…’




All Options for Degradation Detection


Input options

–bam_dir : Directory of bam files where we get a degradation score for every single bam file and one for all (default=’-‘)
–bam_fn : Specifies a single bam file as input (default=’-‘)
–fastq_dir : Directory of fastq files that will be analysed as one (so for individual degradation scores one has to give a directory with only one file or file-pair) (default=’-‘)
–cnt_dir : Directory of pre-produced tab delimited count files (mainly for experimental purposes; the preprocessed file contains all necessary information from the annotation file as well as counts for first and last exon), default=’-’


–anno_fn : Path to annotation file (supported formats: gtf, gff, gff3) (default=’-‘)
–genome : Path to genome file (supported format: fasta) (default=’-‘)
–gene_list : File with gene-names to use (default=’-‘)


–separate_files_ON : Consider all input files individually (default=False)
sparse_bam_ON : Input BAM files are in sparse hdf5 format (default=False)





Output Options

–out_dir : Directory to store output in (default=’.’)
–out_fn : Prefix for output files (default=’out’)
–anno_tmp_fn : Name of file for temporarily storing annotation information (if the name is ‘’ it will automatically be set (in libs/annotation.py) to reflect whether the protein-coding-genes-filter has been used and whether the legacy option was set to True) (default=’’)
–pickle_all : Name of pickle file for temporarily storing all kmers (if it is None, the name will automatically be set (in libs/kmer.py) to reflect the chosen length of kmers) (default=None)
–pickle_filt : Name of pickle file for temporarily storing filtered/cleaned kmers (if it is None, the name will automatically be set (in libs/kmer.py) to reflect the chosen length of kmers)’, (default=None)





General Options

–quant : What type of quantification to use (options: rpkm,raw) (default=’raw’)
–pseudo_count_ON : Add Pseudocounts to ratio (to also consider genes where we have 0 count on at least one end) (default=False)
–length : Only consider the 25% longest (uq), 50% medium (mq), or 25% shortest (lq) genes (default=’uq’)


–score_on_bases_ON : Calculate degradation score not from last and first exon but from a certain amount of bases at beginning and end that can be set via –base_number (normalized length) (default=False)
–base_number : Number of bases at beginning/end for calculating score (only relevant if –score_on_bases_ON is set) (default=100)


–log : Name of log file (default=’out.log’)
–verbose_ON : Set logger to verbose (default=False)
–plot_ON : Plot figures (default=False)
–fn_sample_ratio : Sample Ratios in relation to yours (default=os.path.join(os.path.realpath(__file__).rsplit(‘/’, 1)[:-1][0], ‘data’, ‘sampleRatios/TCGA_sample_a_ratio_uq.tsv’))
–mask_filter : Mask all read-counts below this integer (default=’0’)


–protein_coding_filter_OFF’ : Only consider genes that are protein-coding (default=True)
–length_filter_OFF : Only consider genes of certain length (specified via –length) (default=True)
–save_counts_ON : Store the exon counts in .npy and .tsv files for later use (via –cnt_dir) (default=False)
–legacy : Switch on some legacy behavior (currently only targeting alternate calculation of transcript length in libs/annotation.py) (default=False)





Kmer Options (only relevant if using fastq as input)

–kmer_length : Length of k-mer for alignmentfree counting (default=27)
–reads_kmer : Required active reads per sample or if in [0, 1] then fraction of input reads considered (default=50000)
–step_k : Step-size for k-mer counting (default=4)







Additional Options for Degradation Compensation

–scale_counts_ON : Scale counts with pre-computed scaling factors for degradation compensation (gi), default=False
–scale_factors_dir : Directory of files containing scaling factors (default=’-‘)


The scaling-factor files can be generated with a command like
python …/degradation_tool/scalingFactors.py –bam_dir=’…’ –anno_fn=’…’ –out_dir=’…’

mainly using the same parameters as for the Degradation Detection with additional:

–bins : Number of bins for different gene lengths (default=10)
–relative_binning_ON : Have relative (to number of genes) bin boundaries instead of absolute values (default=False)
–average_factors_ON : Compute scaling factors by using average (instead of median) per length bin (default=False)

License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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