Introduction to Stata 8 - (GRIPS
Introduction to Stata 8 - (GRIPS
Introduction to Stata 8 - (GRIPS
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graph matrix<br />
10 20 30 40<br />
graph matrix<br />
150 200 250<br />
15,000<br />
Price<br />
10,000<br />
40<br />
5,000<br />
30<br />
20<br />
Mileage<br />
(mpg)<br />
10<br />
250<br />
Weight<br />
(lbs.)<br />
5,000<br />
4,000<br />
3,000<br />
2,000<br />
200<br />
150<br />
5,000 10,000 15,000<br />
2,0003,0004,0005,000<br />
Length<br />
(in.)<br />
// c:\dokumenter\...\gph.matrix.do<br />
sysuse au<strong>to</strong> , clear<br />
set scheme lean1<br />
graph matrix price mpg weight length ///<br />
, ///<br />
title(graph matrix) ///<br />
mlwidth(*0.7) ///<br />
xsize(5) ysize(4)<br />
Matrix scatterplots are useful for analysis, but are infrequently used for publication.<br />
The lean1 and lean2 schemes by default use a small hollow circle as marker in matrix<br />
scatterplots. Here mlwidth(*0.7) made the marker outline thinner.<br />
The upper right cells are redundant mirror images (actually rotated mirror images) of the<br />
lower left cells; omit them by:<br />
graph matrix price mpg weight length , half<br />
51
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