R language

by Sergii Bryl'
May 04, 2020
Worldwide COVID-19 spread visualization with R

COVID-19 or Coronavirus pandemic is having an unpredictable and huge impact on our lives, so I wanted to see the speed with which it spreads across countries. The following is how I’ve seen it:

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by Sergii Bryl'
Sep 19, 2018
LTV prediction for a recurring subscription with R

Customers lifetime value (LTV or CLV) is one of the cornerstones of product analytics because we need to make a lot of decisions for which the LTV is a necessary or at least very significant factor. In this article, we will focus on products/services/applications with recurring subscription payments.

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by Sergii Bryl'
Jun 13, 2018
Anomaly Detection for Business Metrics with R

The larger and more complex the business the more metrics and dimensions. One day you understand that it is impossible to track them with only your eyes.

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by Sergii Bryl'
Sep 28, 2017
Marketing Multi-Channel Attribution model based on Sales Funnel with R

We will review another fascinating approach that marries heuristic and probabilistic methods. We will link marketing channels with a probability of a customer passing through each step of a Sales Funnel

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by Sergii Bryl'
May 31, 2017
Marketing Multi-Channel Attribution model with R (part 2: practical issues)

Even though the concept of the first-order Markov chains is pretty simple, you can face other issues and challenges when implementing the approach in practice. We will review some of them

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by Sergii Bryl'
Feb 08, 2017
Twitter sentiment analysis with Machine Learning in R using doc2vec approach (part 1)

We will use Document-Term Matrix that is the result of Vocabulary-based vectorization for training the model for Twitter sentiment analysis

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by Sergii Bryl'
Aug 03, 2016
Marketing Multi-Channel Attribution model with R (part 1: Markov chains concept)

Using Markov chains allow us to switch from Google Analytics heuristic models to probabilistic ones. By computing the model and estimating transition probabilities we can attribute every channel/touchpoint

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