Dear R helpers
I am resending my mail as the output I desire was not properly visible and I
apologize for the same.
Suppose I have a data.frame as given below -
my_dat = data.frame(class = c("XYZ", "XYZ", "XYZ", "XYZ", "XYZ","ABC", "ABC",
"ABC", "ABC", "ABC" ), var1 = c(20, 14, 89, 81, 17, 44, 36, 41, 11, 36), var2
= c(1001, 250, 456, 740, 380, 641, 111, 209, 830, 920))
> my_dat
class var1 var2
1 XYZ 20 1001
2 XYZ 14 250
3 XYZ 89 456
4 XYZ 81 740
5 XYZ 17 380
6 ABC 44 641
7 ABC 36
111
8 ABC 41 209
9 ABC 11
830
10 ABC 20 920
I wish to sort above data.frame class-wise on var1. Thus, Ineed to get
class var1 var2
XYZ 14 250
XYZ 17 380
XYZ 20 1001
XYZ 81 740
XYZ 89 456
ABC 11 830
ABC 20 920
ABC 36 111
ABC 41 209
ABC 44 641
Regards
Vincy
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