Position g Shift X

g Shift X by (g)
Shifts the data set in the X direction by the value you specify. 

g Shift first element to (f)
Shifts the first data point of the data set to the X value you specify.

Position g Shift Y

g Shift Y by (h)
Shifts the data set in the Y direction by the value you specify. 

When you draw a selection rectangle before selecting Shift Y, only the data points within the X range of the rectangle will be shifted.

g Shift lowest element to (i)
Shifts the lowest data point of the data set to the Y value you specify.