Displaying 1 result from an estimated 1 matches for "bugsalive".
2011 May 17
1
Zero counts in an aggregate function
...dd columns with counts of the number of 1s (alive) and 0s
(dead) in each so that my data looks like this:
FRUIT ALIVE DEAD
1 1 4 2
2 2 6 0
3 3 0 6
I have managed do do this using "aggregate" with FUN=sum for the 1 values...
bugsALIVE<-aggregate(bugs$SURVIVE,by=list(bugs$FRUIT),FUN=sum,na.rm=TRUE)
...but am having trouble figuring out how to get counts of the 0 values
since there is no built-in "count" function.
I have tried to write my own function but I am fairly new to R and writing
functions and have not figur...