On processing data for risk models of termite attack

In 1995 a survey, termed the ‘Termite Tally’, was undertaken in Australia to measure the effect of age of a house on the probability that it had been attacked by termites. The data was obtained by asking the current homeowner for this information. It became apparent that in general, homeowners had information on the occurrence of termite attacks only if these attacks had occurred during their occupancy. On average this occupancy was 11 years....