lsline - Add least-squares line to scatter plot
Syntax
lsline
h = lsline
Description
lsline superimposes a least-squares line
on each scatter plot in the current axes. Scatter plots are produced
by the MATLAB scatter and plot functions. Data points connected
with solid, dashed, or dash-dot lines (LineStyle '-', '--',
or '.-') are not considered to be scatter plots
by lsline, and are ignored.
h = lsline returns a column vector of handles h to
the least-squares lines.
Examples
Use lsline together with scatter plots
produced by scatter and various
line styles of plot:
x = 1:10;
y1 = x + randn(1,10);
scatter(x,y1,25,'b','*')
hold on
y2 = 2*x + randn(1,10);
plot(x,y2,'mo')
y3 = 3*x + randn(1,10);
plot(x,y3,'rx:')
y4 = 4*x + randn(1,10);
plot(x,y4,'g+--')
lsline
See Also
scatter, plot, refline, refcurve, gline
 | lt (qrandstream) | | mad |  |
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