Hi,
How can I extract the label only from a given data frame.
Fore example from this data frame.
> print(dataf)
V1 V2 V3 V4 V5 V6 V7 V8 V9
11145 14.3 17.1 31.2 41.7 45.8 49.8 68.6 70.6 72.9
3545 10.2 15.6 20.9 23.2 31.4 31.7 36.2 48.4 51.9
8951 15.2 17.5 20.0 21.4 32.4 49.7 51.3 58.3 58.9
11097 59.5 65.9 117.5 118.0 118.9 122.5 126.3 156.5 157.0
I want to get the label (first) column only:
11145
3545
8951
11097
Is there a quick way to achieve that?
I tried this but fail:
mylable <- dataf[,1]
Please advice.
- Gundala Viswanath
Jakarta - Indonesia
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