Stefano Mangiola

Implement `group_by` and `with_groups` for `tidySingleCellExperiment` and `tidyseurat`

16

the issue for tidyseurat is here https://github.com/stemangiola/tidyseurat/issues/65

@HelenaLC in one occasion loading first `tidyverse` and `tidySingleCellExperiment` second, I get ```r The following objects are masked from ‘package:dplyr’: collapse, desc, slice ``` Specifically `slice` seems to be the...

Inspired by @csoneson at https://github.com/stemangiola/tidySummarizedExperiment/pull/78

Speed up `nest` and `unnest` for massive datasets in `tidySingleCellExperiment`

4

There is an example in the tidyseurat repository of how we can speed out nesting for very simple use cases using the split and merge functionality of Surat

An example file is `/stornext/Bioinf/data/bioinf-data/Papenfuss_lab/projects/mangiola.s/PostDoc/covid19pbmc/data/all_batches/raw_counts/C120_COVID_PBMC_batch6/data/SCEs/C120_COVID_PBMC_batch6.demultiplexed.SCE.rds`

…kage is still new and tidy clashes with broom

select has been modified for efficiency, while distinct still relies on very simple code.

this challenge was proposed by @csoneson https://github.com/stemangiola/tidySummarizedExperiment/pull/78