2  Cell Ranger

Published

August 18, 2025

2.1 Cell Ranger metrics

suppressPackageStartupMessages({
    library(tidyverse)
    library(kableExtra)
    })
dataset.loc <- "~/Dropbox/SyncBriefcase/LAB/UK/scRNA_Akhil/cellRanger_data"
metrics_files <- list.files(path = dataset.loc, pattern = "metrics_summary",
                      full.names = T, recursive = T)
metrics <- map(metrics_files,
               read.csv) |> 
    list_rbind() |> 
    t() |> 
    as.data.frame() |> 
    set_names(str_split_i(metrics_files,"/",10))

kbl(metrics) |> 
  kable_styling("striped")
464 465 492 496 497 502 504 505
Estimated.Number.of.Cells 14,733 10,564 11,878 9,581 13,145 12,743 11,343 11,960
Mean.Reads.per.Cell 31,645 49,477 43,541 55,427 43,953 37,088 42,368 45,920
Median.Genes.per.Cell 3,274 3,727 3,638 3,709 3,544 3,425 3,350 3,700
Number.of.Reads 466,228,773 522,674,656 517,177,074 531,049,253 577,755,963 472,607,562 480,577,300 549,202,130
Valid.Barcodes 92.9% 92.8% 93.5% 93.5% 93.4% 93.8% 93.2% 93.9%
Valid.UMIs 98.9% 99.0% 98.9% 98.9% 99.0% 98.9% 98.9% 99.0%
Sequencing.Saturation 56.4% 64.0% 61.4% 66.3% 63.7% 59.8% 64.2% 63.1%
Q30.Bases.in.Barcode 97.6% 97.5% 97.8% 97.6% 97.7% 97.6% 97.8% 97.7%
Q30.Bases.in.RNA.Read 96.5% 96.6% 96.6% 96.8% 96.7% 96.9% 96.7% 96.7%
Q30.Bases.in.UMI 98.2% 98.2% 98.3% 98.2% 98.2% 98.2% 98.4% 98.3%
Reads.Mapped.to.Genome 95.8% 95.9% 96.5% 96.7% 96.7% 96.6% 96.5% 96.6%
Reads.Mapped.Confidently.to.Genome 94.0% 93.8% 94.5% 94.8% 94.8% 94.7% 94.4% 94.9%
Reads.Mapped.Confidently.to.Intergenic.Regions 10.1% 10.8% 9.0% 9.1% 8.6% 8.9% 9.9% 8.4%
Reads.Mapped.Confidently.to.Intronic.Regions 23.4% 23.5% 21.2% 19.7% 21.2% 18.7% 19.2% 21.9%
Reads.Mapped.Confidently.to.Exonic.Regions 60.4% 59.5% 64.3% 65.9% 65.0% 67.2% 65.3% 64.6%
Reads.Mapped.Confidently.to.Transcriptome 79.4% 78.8% 81.4% 81.4% 81.8% 82.0% 80.3% 82.4%
Reads.Mapped.Antisense.to.Gene 4.2% 3.9% 3.9% 4.0% 4.1% 3.6% 3.9% 3.8%
Fraction.Reads.in.Cells 92.1% 91.7% 93.0% 90.2% 91.7% 91.3% 91.5% 92.2%
Total.Genes.Detected 26,264 25,420 25,737 26,036 25,760 25,613 25,386 25,842
Median.UMI.Counts.per.Cell 8,897 11,378 11,134 11,521 10,629 9,845 9,659 11,318