Search Results for author: Anna Guitart

Found 15 papers, 0 papers with code

Actionable Recourse via GANs for Mobile Health

no code implementations12 Nov 2022 Jennifer Chien, Anna Guitart, Ana Fernandez del Rio, Africa Perianez, Lauren Bellhouse

Mobile health apps provide a unique means of collecting data that can be used to deliver adaptive interventions. The predicted outcomes considerably influence the selection of such interventions.

counterfactual Counterfactual Reasoning +1

A Recommendation System to Enhance Midwives' Capacities in Low-Income Countries

no code implementations2 Nov 2021 Anna Guitart, Afsaneh Heydari, Eniola Olaleye, Jelena Ljubicic, Ana Fernández del Río, África Periáñez, Lauren Bellhouse

This is the aim of the Safe Delivery App, a digital job aid and learning tool to enhance the knowledge, confidence and skills of health practitioners.

A Time Series Approach To Player Churn and Conversion in Videogames

no code implementations13 Mar 2020 Ana Fernández del Río, Anna Guitart, África Periáñez

A State Space time series approach is then used to model the daily conversion rates between the different groups, i. e., the probability of transitioning from one group to another.

Marketing Time Series +1

From Non-Paying to Premium: Predicting User Conversion in Video Games with Ensemble Learning

no code implementations25 Jun 2019 Anna Guitart, Shi Hui Tan, Ana Fernández del Río, Pei Pei Chen, África Periáñez

The proposed conditional inference survival ensembles method could be readily used in operational environments for early identification of premium players and the parts of the game that may prompt them to become paying users.

Ensemble Learning Survival Analysis

The Winning Solution to the IEEE CIG 2017 Game Data Mining Competition

no code implementations16 Jan 2019 Anna Guitart, Pei Pei Chen, África Periáñez

Machine learning competitions such as those organized by Kaggle or KDD represent a useful benchmark for data science research.

A Machine-Learning Item Recommendation System for Video Games

no code implementations13 Jun 2018 Paul Bertens, Anna Guitart, Pei Pei Chen, África Periáñez

Video-game players generate huge amounts of data, as everything they do within a game is recorded.

BIG-bench Machine Learning

Games and Big Data: A Scalable Multi-Dimensional Churn Prediction Model

no code implementations6 Oct 2017 Paul Bertens, Anna Guitart, África Periáñez

The emergence of mobile games has caused a paradigm shift in the video-game industry.

Churn Prediction in Mobile Social Games: Towards a Complete Assessment Using Survival Ensembles

no code implementations6 Oct 2017 África Periáñez, Alain Saas, Anna Guitart, Colin Magne

In this work, we develop, for the first time in the social games domain, a survival ensemble model which provides a comprehensive analysis together with an accurate prediction of churn.

Ensemble Learning Survival Analysis

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