Dataset:  handtime.dat

Source:  Stanley Coren, Clare Porac(1977). "Fifty Centuries of 
 Right-Handedness: The Historical Record", Science, Vol.198, #4317,pp.631-632.

 Description:  Counts of Right-handed/Left-Handed humans based on art
 from 16 periods in time (3000B.C.-A.D.1950)

Variables/Columns
Period     1-18
Period #   24-25
Handedness   33   /*  1=Right. 2=Left  */
Count      39-41