Keyword Analysis & Research: why is forecast grayed out in tableau

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why is forecast grayed out in tableau	1.73	0.1	2918	2	37
why	0.39	0.1	1880	94	3
is	0.54	0.3	2926	79	2
forecast	1.46	0.5	6690	97	8
grayed	0.82	0.8	3353	88	6
out	0.32	0.2	9198	25	3
in	1.96	0.9	7948	5	2
tableau	1.32	0.6	3889	22	7

Keyword	CPC	PCC	Volume	Score
why is forecast grayed out in tableau	1.36	0.6	3325	100