我想要用R做时间序列数据的直方图,横轴为时间,纵轴为数据,比如2006-9-1 21.37415059
2006-9-8 21.21798676
2006-9-15 21.29207067
2006-9-22 18.49498193
2006-9-29 18.50930599
2006-10-13 19.66752732
2006-10-20 20.12437794
2006-10-27 21.07251722
2006-11-3 19.74665978
2006-11-10 19.33741873
2006-11-17 15.40640019
2006-11-24 16.43240775
有没有哪位大神可以帮忙下,能够将图做成这个样子,谢谢