Single tag recapture estimates Petersen, Lincoln Petersen estimators
chapman_n(tags, catch, recaps, check_type = "srelease") chapman_wt(tags, catch, recaps, mean_wt = 0, check_type = "srelease") petersen(tags, catch, recaps, check_type = "srelease")
| tags | number of marked animals released (note these must be whole numbers for the bootstrap to work) |
|---|---|
| catch | vector of the number or weight of animals captured and checked for tags by haul on the second survey |
| recaps | vector of number of marked animals recaptured by haul |
| check_type | of input checks "srelease" (default= single release checks) other options are "mrelease" (multiple release checks) and "zero_recaps" (include |
| mean_wt | mean weight of a single fish (optional argument for Chapman weight method) |