Thanks for the incredibly quick help with the "%in%"...
There's a second question, though: I'd like to increment an element of a vector if a certain event occurs, e.g.
count[event] <- count[event] + 1; # works, but...
Is this efficient? I wonder whether R needs to subset the count vector on both sides of the assignment operator (i.e., twice), or whether there's a shortcut like "++" in C, e.g. "count[i]++" or similar?
Pascal
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