How can I plot a 3D scatterplot of spheres?

In order to plot small spheres in a 3D scatterplot, you will need to use the SPHERE
function to generate the appropriate data and use your X,Y,Z data as the center for
each sphere.

For instance:

t = 0:.3:2*pi;
x = cos(t);
y = sin(t);
z = y.^2;
c = 1:length(x); % C is a number corresponding to a row in the colormap
hold
for i = 1:length(x)
	[x1,y1,z1]=sphere(10);
	x1 = x1/5;
	y1 = y1/5;
	z1 = z1/5;
	surf(x1+x(i),y1+y(i),z1+z(i),c(i)*ones(size(z1)))
end
view(3)
shading interp

To make smaller globes, adjust the value that you divide into x1,y1, & z1.