Keyword Analysis & Research: response variable must be a numeric vector

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
response variable must be a numeric vector	0.52	0.4	5880	59	42
response	0.06	0.8	1170	37	8
variable	1.45	0.8	2922	81	8
must	1.83	0.4	4165	82	4
be	0.16	0.3	7141	38	2
a	1.36	0.8	4631	80	1
numeric	0.27	0.7	8944	74	7
vector	0.13	0.6	5685	13	6

Keyword	CPC	PCC	Volume	Score
response variable must be a numeric vector	0.85	0.3	6440	82