top 5 values in a particular row of a dataframe in R : I have a dataframe with 165 coloumns where I have different values.
data frame is like this:

   skill1   skill2     slkill3       skill4 ......
1     1     0        54             20
2     0     23       9              2

I want to find top 3 values for a particular row. How to do that
