Gnuplot: plot with circles of a defined radius

Question

I know on gnuplot you can plot some data with circles as the plot points:

plot \'data.txt\' using 1:2 ls 1 with circles

How do I then set t

Answer 1

I used:

plot "file" using 1:2:($2*0+10) with circles

This will fake a the third column specifying the sizes - it is probably possible to write it simpler, but this worked for me.