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tp3355369p3355369
2011 Mar 14
3
Finding coordinates for maximum of a function
Hello R,
I have data in txt file of n columns like this:
x y1 .....yn
1 100
2 50
3 10
4 200
5 20
I need to find coordinates for each maxima e.g.: [x,y1],[x,y2]...[x,yn]
a=read.table()
attach(a)
b=y1<-x
max(b) returns only value of y but no corresponding x value
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