The alkdata data frame has 39 rows and 16 columns.
The age-length key for Gulf of Hauraki snapper shown in Table 8.3 of Quinn and Deriso (1999)
alkdataThis data frame contains the following columns:
length interval
number measured in length interval
number of fish aged in each age class 3 within each length interval
number of fish aged in each age class 4 within each length interval
number of fish aged in each age class 5 within each length interval
number of fish aged in each age class 6 within each length interval
number of fish aged in each age class 7 within each length interval
number of fish aged in each age class 8 within each length interval
number of fish aged in each age class 9 within each length interval
number of fish aged in each age class 10 within each length interval
number of fish aged in each age class 11 within each length interval
number of fish aged in each age class 12 within each length interval
number of fish aged in each age class 13 within each length interval
number of fish aged in each age class 14 within each length interval
number of fish aged in each age class 15 within each length interval
number of fish aged in each age class 16 within each length interval