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Table 1 Model parameters, with times in Digg hours

From: Social dynamics of Digg

Parameter

Value

average rate each user visits Digg

ω=0.16±0.01/hr

number of active users

U=248,000±3,000

page view distribution

μ = 0.92 ± 0.04

λ = 0.9 ± 0.1

visibility by other methods

β = 0.05 ± 0.01

probability a user is a voter’s fan

ρ = 1.7 × 10−5

upcoming stories location

k u =59.8pages/hr

front page location

k f =0.31pages/hr

fraction viewing upcoming pages

submitter fans

c S =0.57±0.03

other fans

c F =0.10±0.01

non-fans

c N =0.11±0.01

story specific parameters

interestingness to submitter fans

r S

interestingness to other fans

r F

interestingness to non-fans

r N

number of submitter’s fans

S 0

promotion time

T promotion

  1. Error ranges are 95% confidence intervals for the parameter estimates.