Keyword Analysis & Research: what does it mean to normalize a vector

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does it mean to normalize a vector	0.37	0.4	6381	53	39
what	1.97	0.7	5989	33	4
does	0.07	0.9	79	63	4
it	0.25	0.7	930	23	2
mean	1.62	0.9	5751	19	4
to	0.11	1	9526	68	2
normalize	1.24	0.6	4659	42	9
a	0.76	1	7365	45	1
vector	1.93	0.1	9303	24	6

Keyword	CPC	PCC	Volume	Score
what does it mean to normalize a vector	1.4	0.7	2507	81