Filter data for plotting functions
pr_filter_data(df, Parameter = "Biomass_mgm3", StationRegion = "NSI")
prefiltered data frame for pr_plot_trends, ts, climate
df <- pr_get_Indices("CPR", "Z") %>%
pr_filter_data("BiomassIndex_mgm3", c("North", "South-west"))
df <- pr_get_Indices("NRS", "P") %>%
pr_filter_data("PhytoBiomassCarbon_pgL", c("NSI", "PHB"))