Datasets for Statistical Analysis

Finnish fish catch data

Keywords:

fish

Categories:

regression;
biology

Description:

The data contain measurements from 159 fishes of seven species of fish are caught and measured from the same lake (Laengelmavesi) near Tampere in Finland, in the early 1900s.

There are 159 observations on 8 variables, plus observation number

Variables:

6 Length3 Length from the nose to the end of the tail (in cm) 7 Height% Maximal height as % of Length3 8 Width% Maximal width as % of Length3 9 Sex 1 = male 0 = female

Obs	Observation number
Species	The fish species: Code Finnish Name Swedish Name English Name Latin Name 1 Lahna Braxen Bream Abramis brama 2 Siika Iiden Whitewish Leusiscus idus 3 Saerki Moerten Roach Leuciscus rutilus 4 Parkki Bjoerknan ? Abramis bjrkna 5 Norssi Norssen Smelt Osmerus eperlanus 6 Hauki Jaedda Pike Esox lucius 7 Ahven Abborre Perch Perca fluviatilis
Weight	The weight of the fish (in grams)
Length1	Length from the nose to the beginning of the tail (in cm)
Length2	Length from the nose to the notch of the tail (in cm)
Length3	Length from the nose to the end of the tail (in cm)
Height.pc	Maximal height as % of Length3
Width.pc	Maximal width as % of Length3
Sex	1 means male; 2 means female

Data Quality:

Missing values are coded as NA: sex is missing for 87 fish (how does one tell anyway?), and weight for one fish.

Source:

Data submitted to the Journal of Statistics Education by Juha Puranen, Departement of statistics University of Helsinki, Finland jpuranen@noppa.helsinki.fi See . http://www.amstat.org/publications/jse/datasets/fishcatch.txt.

Notes:

Consider defining new variables:
Height = Height.pc * Length3 / 100
and
Width = Width.pc * Length3 / 100

References:

Brofeldt, Pekka: Bidrag till kaennedom on fiskbestondet i vaara sjoear. Laengelmaevesi. T.H.Jaervi: Finlands Fiskeriet Band 4, Meddelanden utgivna av fiskerifoereningen i Finland. Helsingfors 1917