%    first, the XY-Graph with 5 data points
type xy
x    1   2   3   4   5
y    9   12  15  17  19
%    there are standard errors for the x and y-values
dx   0.5 0.6 0.4 0.5 0.7
dy   0.8 0.9 1.2 2.0 2.4
%    here comes the line graph
type line
x    1   2   3   4   5
y    9   12  15  17  19