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12 bgbb.HeatmapHoldoutExpectedTrans<br />

Arguments<br />

params<br />

n<br />

BG/BB parameters - a vector with alpha, beta, gamma, and delta, in that order.<br />

Alpha and beta are unobserved parameters for the beta-Bernoulli transaction<br />

process. Gamma and delta are unobserved parameters for the beta-geometric<br />

dropout process.<br />

number of transaction opportunities.<br />

Details<br />

E(X(n) | alpha, beta, gamma, delta)<br />

Value<br />

Mean of the BG/BB probability mass function.<br />

References<br />

Fader, Peter S., Bruce G.S. Hardie, and Jen Shang. “Customer-Base Analysis in a Discrete-Time<br />

Noncontractual Setting.” Marketing Science 29(6), pp. 1086-1108. 2010. INFORMS. http:<br />

//www.brucehardie.com/papers/020/<br />

Examples<br />

params

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