Annex 19 : predicting population-level socio-economic characteristics using Call Detail Records (CDRs) in Sri Lanka

Abstract

National census information is time-consuming and expensive to collect. This research helps determine whether mobile phone data can provide a reliable, cheap proxy for census data within Sri Lanka, especially where post-conflict regions need more frequent data collection. Study findings suggest that socio-economic levels (SEL) can affect call detail records (CDR) data in a post-conflict, Sri Lankan setting. Analysis demonstrates the potential for telecom data to predict census features. The results correspond to assumptions about the population under study, which includes a high percentage of vulnerable, highly mobile groups displaced due to conflict.

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Keywords

MOBILE PHONE NETWORKS, TELECOMMUNICATIONS, POST-CONFLICT SOCIETIES, DATA COLLECTION, DATA ANALYSIS, CENSUS DATA, SOCIO-ECONOMIC ANALYSIS, MOBILE PHONES, SRI LANKA, SOUTH ASIA

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