Differences

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--- admb_real:two_qs_cohorts_per_run [2010/09/20 08:41] – lennartfr
+++ admb_real:two_qs_cohorts_per_run [2010/09/20 10:39] (current) – lennartfr
@@ Line 6: / Line 6: @@
 === Summary ===
-:!: For all but one of these runs, the mortality is very close to its upper bound.
+:!: The VPA estimates are contained in the confidence intervals //if we estimate one cohort//, otherwise this is relatively rare.
-:!: As the number of cohorts increases, the catchabilities frequently become very low, resulting in enourmous N0 estimates and standard deviations.
+:!: All our population level estimates are higher than the corresponding VPA estimates.
-:!: The VPA estimates are contained in the confidence intervals *only* if we estimate one cohort.
+:!: For all but one of these runs, the mortality is very close to its upper bound of 0.5, which implies that only a fraction of exp(-0.5) = 0.6 of the individuals that escape catch survive to the next year.
+:!: As the number of cohorts increases, the catchabilities frequently become very low, resulting in enourmous N0 estimates and standard deviations.
-:!: :!: :!: Adding a cohort may result in a dramatic change of the estimates. For instance, compare the single-cohort curves of the cohorts born in 1995 and 1996, with the corresponding estimate of both these cohorts simultaneously.
+:!: :!: :!: //Adding a single cohort may result in a dramatic change of the estimates!// For instance, compare the single-cohort curves of the cohorts born in 1995 and 1996 (N0<sub>1995</sub> = **13.2**, N0<sub>1996</sub> = **1.4**), with the corresponding estimate of both these cohorts simultaneously (N0<sub>1995</sub> = **25.0**, N0<sub>1996</sub> = **24.3**).
 ==== First cohort born in 1994 ====