[R] Restricting Decimal Places in the Output

[Shivi82]

Good Morning All,

I have working on a data set where I am finding mean and median for weight
variable on a daily basis. 
The code:

aggr<-aggregate(retail$weight,list(retail$ship.date),mean)
This is giving me an accurate result however with 4 decimal places for the
mean weight. In order to restrict it i used the following syntax:

format(aggr,digits=2,justify = c("right"))
After the execution of this code i have mean weight but now there are no
decimal places. Could you please advice what is incorrect in the syntax.

Thank you, Shivi



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