Data Entry
Data is in 2 columns, each row representing data from a subject
   Column 1 being the group lablel
   Column 2 being the value of measurement
Radius of Dot
   Diameter of dot = 2xradius+1 pixels
   a pixel is used if radius = 0
   radius<0 can be used to reduce spread for large volume
Gap
   horizontal gap between dots, multiples of radius
   default=1, use less than 1 to place dots closer together
Click button to run or less
or enter user data and click button to run
Result
   Each dot a data point
   Vertical line 95% CI of data
   Horizontal line mean value
   Small box 95% CI of mean