how to return more than one value in R function code example
Example: function return multiple values r
aggregate(cbind(a,b) ~ year, data = y, sum)
# year a b
#1 2007 10 5
#2 2008 13 6
#3 2009 21 12
#4 2010 19 11aggregate(cbind(a,b) ~ year, data = y, sum)
# year a b
#1 2007 10 5
#2 2008 13 6
#3 2009 21 12
#4 2010 19 11