R Notebooks for Guolun Wang et al., 2022 Raw UMI counts and associated metadata is available at the GEO accession GSE178184. All the codes listed just as I used it in my local environment. Macbook pro R version 3.5.3 (2019-03-11) Platform: x86_64-apple-darwin15.6.0 (64-bit) Running under: macOS 10.15.7