Keyword Analysis & Research: how to add labels in r

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to add labels in r	0.45	0.2	1719	55	22
how	0.29	1	4528	16	3
to	0.17	0.9	5812	35	2
add	1.5	0.6	5833	8	3
labels	1.56	0.9	2872	15	6
in	0.24	0.4	1256	58	2
r	1.68	0.4	6442	19	1

Keyword	CPC	PCC	Volume	Score
how to add labels in r	0.08	0.7	7642	89