Dear List,

I am looking to calculate two things from my data frame and was after some 
advice. For the example below i want to know.

1. How many unique Orders/Families and Genera there are per eco-name

2. How many incidences are there for each Order/Family and Genus there are per 
eco-region

I have 650 econame.

I.e for Biak-Numfoor rain forests there are 2 orders, 2 families and two 
genera. Also, Alismatales are represented once, Asparagales once etc etc.

Thanks for any advice.

Chris


ECO_NAME                                                        Order           
Family                                  Genus
Biak-Numfoor rain forests                               Alismatales             
Araceae                         Homalomena
Biak-Numfoor rain forests                               Asparagales             
Orchidaceae                     Bromheadia
Central Range montane rain forests      Alismatales             Araceae         
                Homalomena
Central Range montane rain forests      Asparagales             Lomandraceae    
        Cordyline
Central Range montane rain forests      Asparagales             Orchidaceae     
                Thelymitra
Central Range montane rain forests      Asparagales             Orchidaceae     
                Dendrobium
Central Range montane rain forests      Asparagales             Orchidaceae     
                Vanda
Central Range montane rain forests      Asparagales             Orchidaceae     
                Bulbophyllum
Central Range montane rain forests      Asparagales             Orchidaceae     
                Bulbophyllum
Central Range montane rain forests      Asparagales             Orchidaceae     
                Dendrobium
Central Range montane rain forests      Asparagales             Orchidaceae     
                Dendrobium
Central Range montane rain forests      Commelinales    Commelinaceae           
Murdannia
Central Range montane rain forests      Poales                  
Centrolepidaceae        Centrolepis
Central Range montane rain forests      Poales                  Cyperaceae      
                Machaerina
Central Range montane rain forests      Poales                  Cyperaceae      
                Eleocharis
Central Range montane rain forests      Poales                  Eriocaulaceae   
        Eriocaulon
Central Range montane rain forests      Poales                  Poaceae         
        Schizostachyum
Central Range montane rain forests      Poales                  Poaceae         
        Poa
Central Range montane rain forests      Zingiberales            Zingiberaceae   
        Alpinia
Central Range montane rain forests      Zingiberales            Zingiberaceae   
        Curcuma
Central Range montane rain forests      Zingiberales            Zingiberaceae   
        Amomum
Huon Peninsula montane rain forests     Asparagales             Orchidaceae     
                Taeniophyllum
Huon Peninsula montane rain forests     Asparagales             Orchidaceae     
                Corybas
Huon Peninsula montane rain forests     Asparagales             Orchidaceae     
                Thelymitra
Huon Peninsula montane rain forests     Asparagales             Orchidaceae     
                Glomera
Huon Peninsula montane rain forests     Poales                  
Centrolepidaceae        Centrolepis
Huon Peninsula montane rain forests     Poales                  Poaceae         
        Poa

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