2
Set the column you don't want to NULL
x$remove.column <- NULL
2
Seurat does violin plots using ggplot, which orders based on the factor levels. You need to re-factor your grouping category so that the levels matches your preferred order:
# default level sort order is alphabetical
obj[["grouping"]] <- factor(unlist(obj[["grouping"]]))
VlnPlot(obj, group.by = "grouping", features = c("...
1
If you launch like docker run -p 8888:8888 jupyter/r-notebook you will get the help page like a widget and a warning in your cell output. Check your browser, maybe is blocking pop-up elements.
Only top voted, non community-wiki answers of a minimum length are eligible