Re: st: Customising marker options using 'aaplot'

[Nick Cox <njcoxstata@gmail.com>]

"River Tam" was a character in "Firefly" and "Serenity". You are asked
to use real names on Statalist. The FAQ, which you were asked to read
before posting, does explain this.

You are also asked to explain where user-written programs you refer to
come from. -aaplot- is from SSC. It does not support the display of
several regression lines in the way that you wish. Its syntax starts

aaplot yvar xvar [if] [in]

which manifestly does not match what you seek.

Nick
njcoxstata@gmail.com


On 22 November 2013 20:35, River Tam <river.tam.1818@gmail.com> wrote:
> Hello Statalist,
>
> I have panel data for carbon dioxide emissions (co2emit) and income
> (gdp) for all countries. The variable 'categ' has a value of 1, 2 or 3
> depending on whether the country is low, middle or high income,
> respectively. Previously, I used the following to obtain a scatter
> plot and linear fit line with separate marker colours for low, middle
> and high income countries:
>
> separate co2emit, by(categ)
> twoway (scatter co2emit1-co2emit3 gdp) || lfit co2emit gdp
>
> I'm unable to figure out the syntax to obtain a similar result using
> aaplot, i.e. so that linear fit line and its equation (representing
> the complete set 'co2emit') is displayed and the three income groups
> are distinguishable, and would appreciate your guidance.
>
> Thanks very much in advance for your help,
> River Tam
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