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rsubset

How to find a row?

I have a dataframe of 1000s of row and columns..

I need to find a particular row, by means of its rowname (so I know the rowname, but do not know which position it is in).. so for example

         V1   V2   V3   V4
sunny    23   78   56   56
vicky    89   89   22   11
nikki    09   76   99   27
suchi    00   88   38   09
kitty    89   02   89   90

So in a huge while (like above), lets say, i need to find and extract the row which has the row name "nikki", so my result should be

         V1   V2   V3   V4
nikki    09   76   99   27

I know it might be simple, but can anyone help me know how to achieve that? Thanks in advance..

Solution

  • To subset a data frame by row names, you can just use a character string or vector as row indexing to the [ operator :

    df["nikki",]

    Or :

    df[c("nikki","sunny"),]