Table 1

Model parameters, with times in Digg hours
Parameter Value
average rate each user visits Digg <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M48','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M48">View MathML</a>
number of active users <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M49','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M49">View MathML</a>
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 <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M50','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M50">View MathML</a>
front page location <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M51','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M51">View MathML</a>
fraction viewing upcoming pages
submitter fans <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M52','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M52">View MathML</a>
other fans <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M53','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M53">View MathML</a>
non-fans <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M54','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M54">View MathML</a>
story specific parameters
interestingness to submitter fans <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M11','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M11">View MathML</a>
interestingness to other fans <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M12','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M12">View MathML</a>
interestingness to non-fans <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M13','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M13">View MathML</a>
number of submitter’s fans <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M18','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M18">View MathML</a>
promotion time <a onClick="popup('http://www.epjdatascience.com/content/1/1/5/mathml/M46','MathML',630,470);return false;" target="_blank" href="http://www.epjdatascience.com/content/1/1/5/mathml/M46">View MathML</a>

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

Hogg and Lerman EPJ Data Science 2012 1:5   doi:10.1186/epjds5

Open Data