st: RE: Graphing: How to suppress labels on second y axis

["McDermaid, Cameron" <Cameron.McDermaid@ottawa.ca>]

Thanks Nick

This worked splendidly.  I used the dropline rather than the tick option you suggested earlier because the data appeared more visually independent using the dropline.

Thanks again for your help.

- cam

--
Cameron McDermaid MHSc
Epidemiologist
Ottawa Public Health
100 Constellation Cr, Ottawa ON K2G 6J8
vox: 613.580.6744x15321
fax: 613.580.9601

The plural of anecdote is data -  Raymond Wolfinger



> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
> Sent: September 29, 2010 3:09 PM
> To: 'statalist@hsphsun2.harvard.edu'
> Subject: st: RE: RE: Graphing: How to suppress labels on second y axis
> 
> Alternatively, try
> 
> twoway line `lev'normalized adm_date,
> by(hospital, col(1) legend(off)
> note(" ") title("`lev' Syndrome", size(medium)))
> name(Normalized_`lev')
> ylabel(#4, angle(0) labsize(vsmall))
> ytitle("Proportion of Cases (%)")
> xtitle("Date")
> xlabel(#10, labsize(small))
> || dropline `lev'normalized adm_date if alert`lev', ms(i)
> 
> Nick
> n.j.cox@durham.ac.uk
> 
> Nick Cox
> 
> Why do you need a second y axis any way? For example, you could add axis
> ticks to the x axis to signal times of alert events or a grid of xli().
> 
> McDermaid, Cameron
> 
> Stata 11 SE
> 
> I am trying to suppress labelling on a second y axis in a combined
> graph.  The graph is normalized patient flow vs. dates as a line graph
> (yaxis 1) with a dropline graph showing alert events (yaxis 2). The
> alert events are dichotomous and a maximum of 1 can appear per day so a
> scale for the alerts (0-1) isn't really useful.
> 
> The working graph command is as follows from a foreach command (hence
> the local macro `lev'):
> 
> twoway line `lev'normalized adm_date, by(hospital, col(1) legend(off)
> note(" ") title("`lev' Syndrome", size(medium))) name(Normalized_`lev')
> yaxis(1) ylabel(#4, angle(0) labsize(vsmall) axis(1)) ytitle("Proportion
> of Cases (%)") xtitle("Date") xlabel(#10, labsize(small)) || dropline
> alert`lev' adm_date, yaxis(2) msymbol(i) ylabel(0(1)1,axis(2))
> 
> If I use ylabel(none, axis(2)), I get the following error message:
> "incompatible types   may not assign class to double" and the process
> stops.  My understanding was that I added the rule (none) and the
> suboption axis(n) to designate the axis to which the rule is applied.
> 
> Any thoughts on how to suppress labelling on axis 2 would be
> appreciated.
> 
> 
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