pinfish data frame has 670 rows and 4 columns.
This data frame contains the following columns:
standard length (mm) of individual pinfish
age in year with decimal extention reflecting age past January 1
sex of fish. 1=male, 2=female, 0 = unknown
Nelson, G. A. 2002. Age, growth, mortality, and distribution of pinfish (Lagodon rhomboides) in Tampa Bay and adjacent Gulf of Mexico waters. Fishery Bulletin 100: 582-592.