- Implement methods for
- Implement more classifiers, for example the ORLS (Oxford
Record linkage Study) classifier, as well as improved machine
learning based classifiers.
- Implement expectation-maximisation (EM) algorithm for parameter
- Include methods to calculate frequency counts from the data used
in a linkage process, not just external frequency tables.
- Calculate positive predictive values as presented in the
paper Probabilistic record linkage and a method to
calculate the positive predictive value by Tony Blakely
and Clare Salmond, International Journal of
Epidemiology, 2002 31: 1246-1252. Available online at