[R] points(x,y), mean and standard deviation

ashz ashz at walla.co.il
Tue Oct 19 10:41:53 CEST 2010


Hi,

I have a data set with 3 rows (X=date, Y1=arithmetic mean and Y2=standard
deviation). How can I create a graph(e.g., points) which will show the
+-stdev as well (similar to excel).

Thanks 

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