slides - SNAP - Stanford University
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f<br />
( x)<br />
<br />
Properties:<br />
1<br />
2 2 <br />
1<br />
x<br />
e<br />
(ln<br />
x<br />
)<br />
2<br />
/ 2<br />
Finite mean/variance.<br />
Skewed: mean > median > mode<br />
Multiplicative:<br />
X 1 lognormal, X 2 lognormal implies X 1X 2 lognormal.<br />
10/15/2009 Jure Leskovec, <strong>Stanford</strong> CS322: Network Analysis<br />
<br />
2<br />
[Mitzenmacher]
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