here's how to do it, should somebody else need it (X is a matrix with 3
columns):
library(vcd)
ternaryplot(X, dimnames = c("", "", ""), grid = F, main =
"")
segments(.5, 0, .5, .3)
segments(.25, 0.43, .5, .3)
segments(.75, 0.44, .5, .3)
****************************
Stanislav Markus
Ph.D. Candidate
Harvard University
Department of Government
e: smarkus(a)fas.harvard.edu
t: 617.513.5407
-----Original Message-----
From: Kosuke Imai [mailto:kimai@fas.harvard.edu]
Sent: Friday, May 02, 2003 10:31 PM
To: Gary King
Cc: Stanislav Markus; gov2001-l(a)fas.harvard.edu
Subject: Re: [gov2001-l] ternary diagram
Also, check out ternaryplot() in vcd library which comes with some grid
line options. You can always modify the code and add lines, etc.
Kosuke
On Fri, 2 May 2003, Gary King wrote:
there's some Gauss code at my web site to do this. even tho you
probably
don't know Gauss, you can probably figure it out
enough to port it
over.
Gary
On Fri, 2 May 2003, Stanislav Markus wrote:
> does anybody know how to trisect the triangle in ternary() to
produce a
> graph akin to that in the lecture notes or
gary's article on
simulation
> (with lines dividing the area into three parts)?
>
> thanks,
> s t a n
>
> ****************************
>
> Stanislav Markus
> Ph.D. Candidate
>
> Harvard University
> Department of Government
>
> e: smarkus(a)fas.harvard.edu
> t: 617.513.5407
>
>
>
> -----Original Message-----
> From: gov2001-l-admin(a)fas.harvard.edu
> [mailto:gov2001-l-admin@fas.harvard.edu] On Behalf Of
> kimai(a)fas.harvard.edu
> Sent: Wednesday, April 30, 2003 10:12 PM
> To: cdmoore(a)fas.harvard.edu
> Cc: gov2001-l(a)fas.harvard.edu
> Subject: Re: [gov2001-l] Our Abstract
>
>
>
> > Crowded Cities, Crowded Streets: How Population Density Affects
Local
> > Participation
>
> Maybe, the main title should have "political participation" in it?
e.g.,
>
> Political Participation in Crowded Cities.
>
> > Drawing on a survey of 29,000 Americans from communities
throughout
> the
> > United
> > States, this paper expands on J. Eric Oliver's (2000) argument
that
> living in
> > a
> > larger city decreases the probability that one will engage in a
> variety of
> > forms of local political participation.
>
> The beginning of the abstract could be a bit more spiced up.
>
> > By shifting the causal emphasis from
> > a
> > city¡¯s size to its population density,
>
> It's not really clear what this means.
>
> > we illustrate that the effects of an
> >
> > individual¡¯s environment depend crucially on the kind of
> participation in
> > question. As population density increases, an individual is 2.7%
less
> likely
> >
> > to attend a public meeting, but 2.0% more likely to participate in
a
demonstration, boycott, or protest.
Probably, this should come first and get more emphasized.
Kosuke
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