RM: We certainly need to compensate for Mars being on that side of the
zodiac more often (roughly about 140% more in Leo than in Aries) but
I can't think of a decent way to make a control group. If we used the
conventional system of duplicating the years to generate a control
group we would merely be duplicating the Mars signs and producing a
very flakey control group.
I suppose the nearest thing to a decent control group would be to use
a factor of 1.4 on the Aries scores to compensate for the natural
distribution of Mars in the signs for that whole 200 year period,
which would put a "normalized" Aries graph-line roughly at the half
way point between the current 2 lines for Leo and Aries.
Ray