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  • Cummerbund Dispersion Plot Error

    Hi, I am new to RNA-seq analysis and bioinformatics in general. I have been able to generate several plots using cummerbund in Rstudio however when I try to create a dispersion plot I get the following error. The input files were created with Cuffdiff version 2.2.1.3. Any ideas on how to get around this?

    > setwd("/home/fgb2/Desktop/diff_out3/")
    > library(cummeRbund)
    > cuff_data <- readCufflinks('/home/fgb2/Desktop/diff_out3/')
    > genes(cuff_data)
    CuffData instance with:
    107594 features and 6 samples
    > disp <- dispersionPlot(genes(cuff_data))
    > disp
    Error: Faceting variables must have at least one value
    >

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