search for: add0661

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2012 Jun 12
3
Mapping one vector to another
...ap[1:3,] node island 1 ABY0111 SI 2 ABY1101 SI 3 ADD0111 SI and: > periods[1:3, c("Date", "Period", "Bus", "Price")] Date Period Bus Price 1 2004-01-01 1 ABY0111 31.20 2 2004-01-01 1 ADD0111 32.43 3 2004-01-01 1 ADD0661 32.38 This seems to work (it fooled me for quite a while :-) ), but the following check: for (b in periods$Bus) { if (periods[periods$Bus == b, "Island"] != map[b]) { print(b) print(periods[periods$Bus == b, "Island"][1:1]) print(map[b]) } } prints...