Did anyone success in working with the broad ABSOLUTE?
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10.1 years ago
bioinflix ▴ 80

Recently I have tried the broad ABSOLUTE package several times with my exome-seq data and noticed that it can also be run under the GenePattern public server. I feed it with my copy-number segmented file together with the somatic point muation MAF file, but only got the error report:

"Error: min.mut.af is required if a file is provided for maf.fn"

since I set the min.mut.af value when using the maf.fn file. I also tried to run it under R following the documentation and still it can't work.

The segmented file format:

"Chromosome", "Start", "End", "Num_Probes" and "Segment_Mean"

And the MAF file format:

Hugo_Symbol Entrez_Gene_Id Center NCBI_Build Chromosome Start_position End_Position Strand Variant_Classification Variant_Type Reference_Allele Tumor_Seq_Allele1 Tumor_Seq_Allele2 dbSNP_RS dbSNP_Val_Status Tumor_Sample_Barcode Matched_Norm_Sample_Barcode Match_Norm_Seq_Allele1 Match_Norm_Seq_Allele2 Tumor_Validation_Allele1 Tumor_Validation_Allele2 Match_Norm_Validation_Allele1 Match_Norm_Validation_Allele2 Verification_Status Validation_Status Mutation_Status Sequencing_Phase Sequence_Source Validation_Method Score BAM_File Sequencer Tumor_Sample_UUID Matched_Norm_Sample_UUID HGVSc HGVSp HGVSp_Short Transcript_ID Exon_Number t_depth t_ref_count t_alt_count n_depth n_ref_count n_alt_count all_effects Allele Gene Feature Feature_type Consequence cDNA_position CDS_position Protein_position Amino_acids Codons Existing_variation ALLELE_NUM DISTANCE STRAND SYMBOL SYMBOL_SOURCE HGNC_ID BIOTYPE CANONICAL CCDS ENSP SWISSPROT TREMBL UNIPARC RefSeq SIFT PolyPhen EXON INTRON DOMAINS GMAF AFR_MAF AMR_MAF ASN_MAF EUR_MAF AA_MAF EA_MAF CLIN_SIG SOMATIC PUBMED MOTIF_NAME MOTIF_POS HIGH_INF_POS MOTIF_SCORE_CHANGE

The file format should be as the same as what ABSOLUTE required, not very clear how exactly the package can be work.

ABSOLUTE MAF • 3.5k views
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Hello bioinflix !

It appears that your post has been cross-posted to another site: http://seqanswers.com/forums/showthread.php?p=153628

This is typically not recommended as it runs the risk of annoying people in both communities.

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Please ignore that and it seems that post can not been deleted. Maybe this forum can be much proper, although I hope I could get more answers for this confusion.

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9.4 years ago
shlee ▴ 80

The min.mut.af (minimum mutation allelic fraction) failure was a bug that has now been fixed for GenePattern's ABSOLUTE, which is still in beta. The algorithm is the same (v1.0.6) and the updated GenePattern module version is v1.4.

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Hi Shlee! Is it possible to share the reason why ABSOLUTE is not anymore available on the GenePattern (I believe that's the case as I am unable to find it there)?

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