[R] How to get row index of sorted matrix

[Gundala Viswanath]

Hi,

How can I get the top-3 index (sorted by "var") of the following
matrix?

> print(mydata)
                                 var
  [1,]  1372.23718 2.277450e+04
  [2,]    74.48333 5.494448e+01
  [3,]   226.63590 6.023199e+02
  [4,]  1947.17564 4.044391e+04
  [5,]   178.79615 3.970006e+02
  [6,]   657.56857 3.396852e+04
  [7,]   251.60519 1.239538e+03
  [8,]    78.53846 7.473607e+01
  [9,]   140.37564 2.395830e+02
 [10,]   358.13718 1.508718e+03


- Gundala Viswanath
Jakarta - Indonesia