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Table 4 Most predictive features in EU and SA according to the Linear SVM with L1 penalty

From: Improving official statistics in emerging markets using machine learning and mobile phone data

In EU  
1. response_delay_text__weekday__allday__callandtext__max__mean
2. entropy_of_contacts__weekday__day__text__mean
3. percent_initiated_conversations__weekday__night__callandtext__mean
4. interevent_time__weekday__allday__text__max__std
5. percent_nocturnal__weekday__allday__text__std
In SA  
1. percent_initiated_interactions__weekend__night__call__mean
2. percent_at_home__weekday__day__mean
3. call_duration__allweek__allday__call__max__mean
4. entropy_of_antennas__weekday__allday__mean
5. percent_initiated_interactions__allweek__allday__call__mean