group_cell              Group cells according to subject IDs
nbresidual              Extract Pearson residuals from the results of
                        NEBULA
nebula                  Association analysis of a multi-subject
                        single-cell data set using a fast negative
                        binomial mixed model
nebula-package          Negative Binomial Mixed Models Using
                        Large-Sample Approximation for Differential
                        Expression Analysis of ScRNA-Seq Data
sample_data             An example data set for testing nebula
