Modify populations in an already existing `IFC_data` object.
data_modify_pops(obj, pops, display_progress = TRUE, ...)an IFC_data object with pops modified.
an `IFC_data` object extracted by ExtractFromDAF(extract_features = TRUE) or ExtractFromXIF(extract_features = TRUE).
a list of population(s) to modify in 'obj'. Each element of this list will be coerced by buildPopulation.
whether to display a progress bar. Default is TRUE.
Other arguments to be passed.
pops names should be present in names(obj$pops), otherwise an error will be raised.
Note that If you want to rename pops, you should do it by changing 'name' member,
e.g. pops[[1]]$name <- "bar" while names(pops[[1]]) is "foo" and "foo" is part of names(obj$pops).
However, new names should not be present in 'obj'.