Fit the marginal distributions for single gene
simNewLocs(newN, lay_out = c("grid", "random"), preLoc)Returns a n by 2 dataframe with newly generated spatial locations
A integer specifying the number of spatial locations in the synthetic data
A character string specifying arrangement of new generated spatial locations. Default is "grid"
A data frame of shape n by 3 that x, y coodinates and domain label