Jensen data frame has 312 rows and 2 columns.
The age data are from reconstructed catches of lake whitefish reported
by Jensen (1996) in Table 1 and were expanded to individual observations from the age frequency table.
This data frame contains the following columns:
net haul label
age of an individual fish
Jensen, A. L. 1996. Ratio estimation of mortality using catch curves. Fisheries Research 27: 61-67.
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