Economie et Statistique / Economics and Statistics n° 505-506 - 2018Big Data and Statistics - Part 1

Economie et Statistique / Economics and Statistics
Paru le : Paru le 11/04/2019
Arthur Charpentier, Emmanuel Flachaire and Antoine Ly
Economie et Statistique / Economics and Statistics - April 2019
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Econometrics and Machine Learning

Arthur Charpentier, Emmanuel Flachaire and Antoine Ly

Economie et Statistique / Economics and Statistics

Paru le : 11/04/2019

Consulter

Abstract

On the face of it, econometrics and machine learning share a common goal: to build a predictive model, for a variable of interest, using explanatory variables (or features). However, the two fields have developed in parallel, thus creating two different cultures. Econometrics set out to build probabilistic models designed to describe economic phenomena, while machine learning uses algorithms capable of learning from their mistakes, generally for classification purposes (sounds, images, etc.). Yet in recent years, learning models have been found to be more effective than traditional econometric methods (the price to pay being lower explanatory power) and are, above all, capable of handling much larger datasets. Given this, econometricians need to understand what the two cultures are, what differentiates them and, above all, what they have in common in order to draw on tools developed by the statistical learning community with a view to incorporating them into econometric models.

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Charpentier, A., Flachaire, E. & Ly, A. (2018). Econometrics and Machine Learning. Economie et Statistique / Economics and Statistics, 505-506, 147–169.
https://doi.org/10.24187/ecostat.2018.505d.1970