Publications by Brian Callander
Hierarchical Customer Lifetime Value
Hierarchical Customer Lifetime Value Posted on 5 May, 2019 by Brian Tags: customer lifetime value, recency frequency, hierarchical model, centred parameterisation, non-centred parameterisation, prior-predictive distribution, stan, e-bfmi, energy Category: customer_lifetime_value In a previous post, we described how a model of ...
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Speeding up Bayesian sampling with map_rect
Speeding up Bayesian sampling with map_rect Posted on 9 August, 2019 by Brian Tags: stan, map_rect, within-chain parallelisation, threading, ordinal regression Category: map_rect Fitting a full Bayesian model can be slow, especially with a large dataset. For example, it’d be great to analyse the climate crisis questions in t...
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SR2 Chapter 2 Medium
SR2 Chapter 2 Medium Posted on 29 February, 2020 by Brian Tags: statistical rethinking, solutions, conditional probability, counting, grid approximation Category: statistical-rethinking-2 Here’s my solutions to the medium exercises in chapter 2 of McElreath’s Statistical Rethinking, 1st edition. My intention is to move over...
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SR2 Chapter 2 Hard
SR2 Chapter 2 Hard Posted on 1 March, 2020 by Brian Tags: statistical rethinking, solutions, conditional probability, counting, bayes rule, pandas Category: statistical-rethinking-2 Here’s my solution to the hard exercises in chapter 2 of McElreath’s Statistical Rethinking, 1st edition. When writing this up, I came across ...
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SR2 Chapter 3 Hard
SR2 Chapter 3 Hard Posted on 5 April, 2020 by Brian Tags: statistical rethinking, solutions, grid approximation, posterior predictive check, posterior predictive distribution, map, binomial, hpdi Category: statistical-rethinking-2 Here’s my solutions to the hard exercises in chapter 3 of McElreath’s Statistical Rethinking,...
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SR2 Chapter 3 Medium
SR2 Chapter 3 Medium Posted on 5 April, 2020 by Brian Tags: statistical rethinking, solutions, grid approximation, posterior probability, posterior predictive probability, hpdi, binomial Category: statistical-rethinking-2 Here’s my solution to the medium exercises in chapter 3 of McElreath’s Statistical Rethinking, 2nd edi...
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