Check out my post at the Velir Blog for more info about this visualization.
Data set: Example Set 1 Example Set 2 User-specified data
Standard Deviation set: Larger Smaller Tiny / pseudo-pointmasses
Graph type: Discrete "dot" plot (PDF) Discrete bar graph (1 - CDF)
Distribution: Normal Triangular - peak at 0 ≤ ≤ 1 Uniform Hyperbolic secant Exponential
Options: Lock vertical scale Force vertical scale to include zero Minimum peak opacity: color bands