From Meta, a Wikimedia project coordination wiki
To find the most common wiki for voters. The activity of the voter in individual Wikipedia is used in the calculation. Weights are the voting proportion (understand %) of one voter for each wiki.
First step – User votes
User A
User B
User C
Wiki 1
2
2
1
Wiki 2
1
12
3
Wiki 3
7
7
0
Sum
10
20
4
Second step
User A
User B
User C
Sum quotient
Quotientwiki 1
0.2
0.1
0.2
0.5
Quotientwiki 2
0.1
0.6
0.8
1.5
Quotientwiki 3
0.7
0.3
–
1.0
S
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=
0.2
+
0.1
+
0.2
=
0.5
{\displaystyle {Sum\ quotient}_{Wiki\ 1}=\sum _{n=1}^{user\ count}Quotient_{wiki\ 1,\ user\ n}=0.2+0.1+0.2=0.5}
Third step(order wikis by Sum)
Sum quotient
Quotientwiki 2
1.5
Quotientwiki 3
1.0
Quotientwiki 1
0.5
Fourth step
Sum quotient
Quotient sum quotient (%)
Wiki 2
1.5
50%
Wiki 3
1.0
33%
Wiki 1
0.5
16%
Sum
3
Q
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W
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1
=
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W
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1
S
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∗
100
=
1.5
3
∗
100
%
=
50
%
{\displaystyle {Quotient\ sum\ quotient}_{Wiki\ 1}={\frac {Sum\ quotient_{Wiki\ 1}}{Sum\ sum\ quotient}}*100={\frac {1.5}{3}}*100\%=50\%}
