Create a default substitution matrix from all unique elements of s1 and s2
Arguments
- s1
Sequence 1, typically a HemOnc regimen
- s2
Sequence 2, typically an encoded set of drug occurrences for a patient
Value
s - A dataframe object filled with a score of -1.1 in all non-diagonal cells and a score of 1 on the diagonal.
s <- defaultSmatrix(s1, s2)