Ragnar Norberg's credibility dataset

This univariate dataset was self-made by Norberg (1979) for pointing out the relevancy of credibility. It contains hypothetic records of binary claim of an insurance portfolio with 20 policies.

Usage

data(Norberg)

Format

Norberg contains 20 columns and 10 rows. Rows are the 10 years of experience, while columns are the 20 policies in the portfolio.

Source

Public.

References

Dataset used in Ragnar Norberg (1979), The credibility approach to experience rating, Scandinavian Actuarial Journal, 181-221, doi:10.1080/03461238.1979.10413721 .

Examples

# (1) load of data
#
data(Norberg)

# (2) plot and description of data
#
matplot(0:9, apply(Norberg, 2, cumsum)/(1:10), type="l", 
ylim=c(0, 1), main="Claim experience")