The tanaka
data frame has 138 rows and 3 columns.
The number of returns and the mean times-at-large from Table 2 of
Tanaka (2006) were used to generate individual times-at-large data from a random normal distributions
using a CV of 0.1.
tanaka
This data frame contains the following columns:
release year (cohort)
individual times-at-large (in years)
Total number of releases for relear year (cohort)