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R code in workflow of chip-seq analysis
Hi,
I am trying to replicate your code for my test samples but it resulted in error. Did you happen to see this before?
fitHM <- mosaicsFit( binHM, analysisType="IO", bgEst="rMOM" )
Info: background estimation based on robust method of moment.
Info: two-sample analysis (Input only).
Info: use adaptive griding.
Info: fitting background model...
Error in rlm.default(x, y, weights, method = method, wt.method = wt.method, :
'x' is singular: singular fits are not implemented in 'rlm'
Thanks,
Diya
hey,
when I used the example code to run the flow, first, the code genomeFile <- "BSgenome.Hsapiens.UCSC.hg19" ,how get it?
The above reference genome BSgenome. Hsapiens. UCSC. Hg19.fa . Is it need manual download to my work path?At the beginning, there was no download, the operation error, I can run after manual download. But the following second error occurs when comparing.I again, error : Failed to install the index package 'BSgenome.Hsapiens.UCSC.hg19.Rbowtie'. How can I solved it, thank you!
Matrix_file_control <- matrix(c("FileName",trimmed_control,"SampleName","Sample1"),nrow=2,ncol=2)
write.table(Matrix_file_control, file="sample_control.txt", sep="\t",row.names=FALSE, col.names=FALSE)
Matrix_file_case <- matrix(c("FileName",trimmed_case,"SampleName","Sample1"),nrow=2,ncol=2)
write.table(Matrix_file_case, file="sample_Case.txt", sep="\t",row.names=FALSE, col.names=FALSE)Step 4-3. Assigning core and aligning to hg19 reference genome
no_cores <- detectCores()-1
cl <- makeCluster(no_cores)
Aligned_control<-qAlign(sampleFile=controlFile, genome=genomeFile,
clObj=cl, alignmentsDir = working_dir)
alignment files missing - need to:
create alignment index for the genome
create 1 genomic alignment(s)
will start in ..9s..8s..7s..6s..5s..4s..3s..2s..1s
将程序包安装入'C:/Users/yangskyfucker/Documents/R/win-library/4.1'
(因为'lib'没有被指定)
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