If I create an aggregation like this:
aggregate(lastYear[,8:10],list(Stadium=lastYear$STAD),mean)
I'll get a new data frame, which I can order if I assign it like this:
newFrame <- aggregate(lastYear[,8:10],list(Stadium=lastYear$STAD),mean)
newFrame[order(newFrame$TEMP),]
But.. if I just want to do this in one statement, what can I do? If this
was perl, I'd be using something like $_:
aggregate(lastYear[,8:10],list(Stadium=lastYear$STAD),mean)[order($_$TEMP),]
So basically, I want to call order within the square braces, and I want to
reference the dataframe that preceeds the square brace. Is there a way to
do this in R?
thanks,
bp
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