Dataset: octopus_age.dat Source: G.V. Barcenas, C. Perales-Raya, A.Bartolome, E. Almansa, C. Rosas (2014). "Age Validation of Octopus Maya (Voss and Solis, 1966) by Counting Increments in the Beak Rostrum Sagittal Sections of Known Age Individuals," Fisheries Research, Vol. 152, pp. 93-97. Description: Total weight, age, number of beak increments and jaw measured for 40 juvenile octopi. Authors fit linear regression relating increments to age and body weight to age. Variables/Columns Total Weight (grams) 3-8 Age (days) 12-16 number of increments 20-24 Jaw (1=upper, 2=lower) 32