Transform into a factor the STRATA column, change names and reorder the levels

Transform into a factor the STRATA column, change names and reorder the levels.

Usage

change_pop_names(data, pop.levels = NULL, pop.labels = NULL)

data: A GDS filename or open SeqVarGDSClass object.
pop.levels: (optional, string) This refers to the levels in a factor. In this case, the id of the pop. Use this argument to have the pop ordered your way instead of the default alphabetical or numerical order. e.g. pop.levels = c("QUE", "ONT", "ALB") instead of the default pop.levels = c("ALB", "ONT", "QUE"). White spaces in population names are replaced by underscore. Default: pop.levels = NULL.
pop.labels: (optional, string) Use this argument to rename/relabel your pop or combine your pop. e.g. To combine "QUE" and "ONT" into a new pop called "NEW": (1) First, define the levels for your pop with pop.levels argument: pop.levels = c("QUE", "ONT", "ALB"). (2) then, use pop.labels argument: pop.labels = c("NEW", "NEW", "ALB"). To rename "QUE" to "TAS": pop.labels = c("TAS", "ONT", "ALB"). Default: pop.labels = NULL. White spaces in population names are replaced by underscore.