R help - Dec 2013 - how can i add Qtr1 Qtr2 Qtr3 Qtr4 on the x axis?

> x<-ts(sales,frequency=4,start=c(2010,1))
> x
     Qtr1 Qtr2 Qtr3 Qtr4
2010  1.8  8.0  6.0  3.0
2011  2.0 11.0  7.0  3.5
2012  2.5 14.0  8.0  4.2
2013  3.0 15.2  9.5  5.0
> plot.ts(x)

Hi,

try

?axis.Date

works similar to the axis function.

I hope that helps!
daniel
________________________________________
Felad?: r-help-bounces at r-project.org [r-help-bounces at r-project.org] ;
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K?ldve: 2013. december 15. 9:17
To: r-help
T?rgy: [R] how can i add Qtr1 Qtr2 Qtr3 Qtr4  on the x axis?
> x<-ts(sales,frequency=4,start=c(2010,1))
> x
     Qtr1 Qtr2 Qtr3 Qtr4
2010  1.8  8.0  6.0  3.0
2011  2.0 11.0  7.0  3.5
2012  2.5 14.0  8.0  4.2
2013  3.0 15.2  9.5  5.0
> plot.ts(x)