[flexual]

What if I want a graph to be displayed exactly as I drew it, without smoothing (or with only a degree of smoothing)? Is that possible? Can sketch recognition be controlled or turned on and off?

[dave_m]

There's no way to adjust the precision of the sketch recognition algorithm, but you can use "tap-tap" line-drawing mode to place points exactly where you'd like, and go back and add points manually by double-clicking your curve in Modify mode.

You can also use "Interpolate" and then "Add Jitter" in the arrange menu to resample a curve along the x-axis (set your tick interval to something very small first), then add vertical offsets to the new points. I've attached a screenshot of the results.