It has been a while but, I think that anything you use to 'label' your
plots has to be a string.
hope this helps
scott
On 10/2/06, Scott Cunningham <scunning@gmail.com> wrote:
I'm using tmap 2.0 and had a question about the addplot() command. I
have a variable called "sr" which is the ratio of women to men at the
United States state level. I would like to have added to the map the
abbreviation for each of the United States states. I appear to be
having trouble with the xplot and yplot syntax within addplot. For
instance, here is the simple map I've made without the addplot.
tmap choropleth sr if id!=13 & id!=56, id(id) map(uscoord.dta)
palette
(Blues) title(`"`"Sex Ratios for 18-24 year-olds, 2000"'"') subtitle
("White Americans")
I would like to now add the state abbreviation to the map, making it
easier to interpret. I'm reading a user guide written by Maurizio
Pisati, and he writes that addplot requires the x- and y-coordinates
of the variable name. Contained in uscoord.dta are 3 variables:
_ID, _X and _Y. So I type the following:
tmap choropleth sr if id!=13 & id!=56, id(id) map(uscoord.dta)
palette
(Blues) title(`"`"Sex Ratios for 18-24 year-olds, 2000"'"') subtitle
("White Americans") addplot(label sr if id!=13 & id!=56, x(X) y(Y))
But this elicits an error, saying that the syntax for addplot is
incorrect. I am assuming that the problem lies with the use of the
x- and y-coordinates. And reading through Dr. Pisati's user guide
more closely, I notice in an example that his x- and y-coordinates
appear to be in the main using file - not in his coordinates file.
Here's the variables I have for me main file:
STATE
NAME
FIPS
LON
LAT
id
fip
sr
Any help is appreciated.
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