Get functional group data
pr_get_FuncGroups(Survey = "NRS", Type = "Z", ...)
dataframe for plotting functional group time series info
NRSfgz <- pr_get_FuncGroups("NRS", "Z")
NRSfgp <- pr_get_FuncGroups("NRS", "P")
CPRfgz <- pr_get_FuncGroups("CPR", "Z", near_dist_km = 250)
CPRfgp <- pr_get_FuncGroups("CPR", "P")