The Gerking
data frame has 14 rows and 3 columns.
Marked and released sunfish in an Indiana lake for 14 days by Gerking (1953) as reported by Krebs (1989, Table 2.1).
Gerking
This data frame contains the following columns:
column of number of captures (column names is unnecessary).
column of number of recaptures (column name is unnecessary).
column of number of newly marked animal (column name is unnecessary).