R ; Zdanielpr/files/socioec14lacss-poster.pdf · 2018. 1. 27. · (6, (frqrplf vhqwlphqw lqglfdwru...

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Transcript of R ; Zdanielpr/files/socioec14lacss-poster.pdf · 2018. 1. 27. · (6, (frqrplf vhqwlphqw lqglfdwru...

Page 1: R ; Zdanielpr/files/socioec14lacss-poster.pdf · 2018. 1. 27. · (6, (frqrplf vhqwlphqw lqglfdwru frpsrvlwh lqglfdwru riwhq vhhq dv dq hduo\ suhglfwru iru ixwxuh hfr qrplf ghyhorsphqwv

*ESI = Economic sentiment indicator- composite indicator often seen as an early predictor for future eco-nomic developments- consists of five confidence indicators with different weights: indus-trial (40%), services (30%), consumer (20%), construction (5%) and retail trade (5%)- any socioeconomic indicator can be used in this framework

Data

- news summaries written in English- extracted from the Open Europe Think Tank- daily aggregat1ion of news about the EU- focused on current affairs, politics, economy- each summary is a few paragraphs long- each summary is attached to ≥1 news outlets- - 1913 days, 94 months- avg. 14 news/summary- features: 8413 unigrams + 19045 bigrams- 435 news outlets

Forecast

RMSE (error rate %) in a forecastingsetup on 30 data points

Linear regression: 9.253 (9.89%)Bilinear reression: 8.209 (8.77%)y = o X w + β

outlet x worddaily frequenciesprediction bias term

f : X -> YOUTLET,{( )} ESI*

2006 -> 2013

Trevor Cohnτ

[email protected] Gellingγ

[email protected] Samangooeiσ[email protected]

Daniel Preoţiuc-Pietroδ

[email protected] Lamposβ[email protected]

β δ,γσ τ

Extracting Socioeconomic Patterns from the News:Modelling Text and Outlet Importance Jointly

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