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alphebetical
2010 May 06
1
bar order using lattice barchart()
...er of the data. I think this has to do with the row index number since order() does not re-number the rows in the new order but instead keeps the original row numbers and puts them in a different order. For example:
xy<-data.frame(x=letters[1:5],y=c(3,9,2,1,10))
#This produces a dataframe in alphebitical order with row numbers in
#numerical order.
> xy
x y
1 a 8.921657
2 b 10.314625
3 c 9.531537
4 d 10.818563
5 e 9.084872
#If I re-order the data based on the value of y
xy<-xy[order(y),]
#I get a dataframe ordered by y but the row numbers are still in #alphebetical order based...