plot_positives: Plot Multiple Positives
In zolotarovgl/digiworm.plot: Useful plotting functions for Seurat objects

This function plots the cells that are positive at multiple markers at the same time.

1 2	plot_positives(seurat_object, markers, marker_names = NULL, alpha_neg = 0.1, reduction = "umap", verbose = FALSE)

`seurat_object`	the object to retrieve the data from.
`markers`	positive markers of the cells of interest.
`marker_names`	optional names for markers
`alpha_neg`	transparency value for negative points.
`reduction`	dimensionality reduction, could be `c('pca','tsne','umap')`
`verbose`	whether to print IDs of positive cells.