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st: RE: Graphics Questions


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: Graphics Questions
Date   Mon, 21 Feb 2005 17:55:31 -0000

Every other month is either a set of 
odd numbers or a set of even numbers, 
depending on the start point. 

For example, 

levels month if mod(month,2) == 0, local(show) 

picks up the even months, which will 
be Jan Mar May Jul Sept Nov, given 
Stata's origin 0 = Jan 1960. 

So you can go 

... xla(`show', ang(v) labsize(vsmall)) 

Every third month can be done with a similar 
trick. 

Even more direct is just to use a numlist 

... xla(251(3)349, ang(v) labsize(small)) 

but that requires either working it out
by hand or something else previously. 
It could in turn be automated. 

Ulrich Kohler wrote an -egen- function 
as a helper for the second problem. 

. ssc desc gmlabvpos 

Nick 
[email protected] 

Eric G. Wruck
 
> I basically I have a graph I like of stock return indices over time. 
> However, my efforts to tweak the graph a bit have been unsuccessful 
> Specifically,
> 
> (1) The x-axis is a month-year variable (%dm-Y).  I am using 
> xlabel(#48 , angle(vertical) labsize(vsmall)) to get every month on 
> the x-axis.  I'd like to specify a rule such as every other month or 
> every third month.  Is there any easy way to do this for a variable 
> that is a date?
> 
> (2)  I also have a string variable called news that I am using as a 
> marker label for one of the stock indices.  The problem is that 
> sometimes the text is obscured by the graphed lines.  Sometimes, I 
> would want the text to appear at 6 o'clock, other times midnight, 
> etc.  I thought I could do this by inspection & create multiple news 
> variables that I could use as multiple labels  -- one variable might 
> be for news events that I want to appear at 6 o'clock, another news 
> variable for events that I want to appear at midnight, etc.  First of 
> all, I don't know whether this can be done -- can it?  And secondly, 
> it seems rather primitive.  Is there an easier way, one not requiring 
> this sort of intervention?
> 
> Thanks very much.
> 
> Eric
> 
> -- 
> 
> ===================================================
> 
>         Eric G. Wruck
>         Econalytics
>         2535 Sherwood Road
>         Columbus, OH  43209
> 
>         ph:      614.231.5034
>         cell:    614.327.4182
>         fax:     614.231.5039
>         eFax:    614.573.6639
>         eMail:   [email protected]
>         website: http://www.econalytics.com
> 
> ====================================================
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