Map_New_Meta: Create new variable from categories in meta.data

In scCustomize: Custom Visualizations & Functions for Streamlined Analyses of Single Cell Sequencing

Create new variable from categories in meta.data

Description

Designed for fast variable creation when a new variable is going to be created from existing variable. For example, mapping multiple samples to experimental condition.

Usage

Map_New_Meta(seurat_object, from, new_col = NULL, ...)

Arguments

seurat_object	name of Seurat object
from	current column in meta.data to map from
new_col	name of new column in meta.data to add new mapped variable. If NULL (default) will return the variable. If name provided will return Seurat object with new variable added.
...	Mapping criteria, argument names are original existing categories in the from calumn and values are new categories in the new variable.

Value

if new_col = NULL returns factor else returns Seurat object with new variable added.

References

This function is slightly modified version of LIGER function mapCellMeta to allow functionality with Seurat objects. https://github.com/welch-lab/liger. (License: GPL-3).

Examples

## Not run: 
seurat_object <- Map_New_Meta(seurat_object, from = "orig.ident", new_col = "Treatment",
"1" = "Ctrl", "2" = "Treated", "3" = "Treated", "4" = "Ctrl")

## End(Not run)

scCustomize documentation built on Dec. 11, 2025, 5:08 p.m.