[R-SIG-Finance] [R-sig-finance] How to add grid to plot.zoo easily

[Wind2]

I know the method of plot(,tck=1).   But I don't like this method because the
color of the grids is in "black" except to change the foreground color via
par() which will change the colors of other items, I guess.


Wind2 wrote:
> 
> The grid() could add grids to plot easily.   But the vertical grids are
> not at the positions of  major ticks if we plot the time series.   
> I am satisfied with the major ticks generated by plot.zoo function.   
> Could we just add grids to plot.zoo according to the major ticks
> genereated by plot.zoo?    
> 
> The following codes work well except that the vertical grids not at the
> position of major ticks of x axis.
> 
>>require(RODBC)
>>require(zoo)
>>stock1<-getSymbol.RE("SH600036")
>>>head(stock1)
>                Open     High      Low    Close Volume
> 2002-04-09 4.288226 4.439191 4.288226 4.349428 101491
> 2002-04-10 4.349428 4.365749 4.239264 4.324947  16651
> 2002-04-11 4.324947 4.357588 4.280066 4.292306   5583
> 2002-04-12 4.284146 4.341268 4.275985 4.312707   5208
> 2002-04-15 4.312707 4.324947 4.222944 4.239264   4541
> 2002-04-16 4.222944 4.239264 4.137261 4.145421   6107
>> plot(stock1$Close)
>> grid()
>> 
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