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Not so much about the library, but about the analysis itself: to give the topics meaning, in the tutorial you used 3 Chip-seq peak files from (I assume) separate bulk Chip-seq experiments. Are there any publicly available Chip-seq files for a range of transcription factors that you would recommend?
Getting to the later stages of the tutorial mentioned above, I realised my bam files were not UCSC-style (chromosomes were named 1,2,3,... instead of chr1,chr2,chr3,...) - I fixed that and now have new bam files, but I can't read them and create a cisTopicObject
Some relevant info: Before it used to work with the same code but just non-UCSC bams and
I also made the aggregate pseudo-bulk UCSC-style for this
ERROR: invalid parameter: '/blabla/picard_bam_files_UCSC_style_test/sample_1.bam'
Error in Rsubread::featureCounts(bamfiles, annot.ext = regions_frame, :
No counts were generated.
(while trying to fix this I also run this (Vignette packages):
Regards the first point, that would depend on which system you are working on (organism/tissue/cell type). Together with ChIP-seq, other assays such as bulk ATAC-seq or DNAse (of e.g. FACS sorted cell types of your population, see the 10X tutorials) can be useful.
Hi @cbravo93,
Not so much about the library, but about the analysis itself: to give the topics meaning, in the tutorial you used 3 Chip-seq peak files from (I assume) separate bulk Chip-seq experiments. Are there any publicly available Chip-seq files for a range of transcription factors that you would recommend?
Getting to the later stages of the tutorial mentioned above, I realised my bam files were not UCSC-style (chromosomes were named 1,2,3,... instead of chr1,chr2,chr3,...) - I fixed that and now have new bam files, but I can't read them and create a cisTopicObject
Some relevant info: Before it used to work with the same code but just non-UCSC bams and
I also made the aggregate pseudo-bulk UCSC-style for this
Code:
pathToBams <- '/blabla/picard_bam_files_UCSC_style_test/'
bamFiles <- paste(pathToBams, list.files(pathToBams), sep='')
regions <- '/blabla/UCSC_style_peak_aggregated_scATAC_individual.narrowPeak'
cisTopicObject <- createcisTopicObjectFromBAM(bamFiles, regions, project.name='bla')
ERROR: invalid parameter: '/blabla/picard_bam_files_UCSC_style_test/sample_1.bam'
Error in Rsubread::featureCounts(bamfiles, annot.ext = regions_frame, :
No counts were generated.
(while trying to fix this I also run this (Vignette packages):
source("https://bioconductor.org/biocLite.R")
biocLite(c('Rsubread', 'umap', 'Rtsne', 'ComplexHeatmap', 'fastcluster', 'data.table', 'rGREAT', 'ChIPseeker', 'TxDb.Hsapiens.UCSC.hg19.knownGene', 'org.Hs.eg.db'))
but that didn't help)
I'd be happy if you could help.
Thanks
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