The Fish data set contains measurements of 159 fish caught in Finland’s Lake Laengelmavesi (Puranen, 1917).
The following list describes each variable.
speciesspecies of fish
weightweight of the fish, in grams
length1length of the fish from the nose to the beginning of the tail, in centimeters
length2length of the fish from the nose to the notch of the tail, in centimeters
length3length of the fish from the nose to the end of the tail, in centimeters
heightmaximum height of the fish, in centimeters
widthmaximum width of the fish, in centimeters
In addition to these variables, the data set contains the following transformed variables.
cubeRootWeightcube root of the weight
scaledLength1the ratio length1 / cubeRootWeight
scaledLength2the ratio length2 / cubeRootWeight
scaledLength3the ratio length3 / cubeRootWeight
scaledHeightthe ratio height / cubeRootWeight
scaledWidththe ratio width / cubeRootWeight
logLengthRatiologarithm of the ratio length3 / length1