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Thank you to Florence for the first version of this report!&#160;Attending : Loïc Charles, Guillaume Daudin, Béatrice Dedinger, Pierre Gervais, Paul Girard, Matthias Loise, Florence Perret, Guillaume Plique1. Planning Guillaume PliqueHe is one month late of the preceeding project. And starting in February he is starting on Wasmer's project (with a workshop at the end of March).In total we have nearly 4 month (10 700 € from SciencesPo and 13 000 € from INED) Planning:- First 2 weeks of February- One or two weeks in MarchAnd the rest ?2. Paul Girard &#38; SciencesPo3. Looking for mistakes in the dataMatthias Loïs has been looking for mistakes in the dataa. By looking at trade flows over 25 million l.t. A number of typos.b. By comparing retranscribed trade flows and predicted (by a repeated sales model) trade flows. Only national trade for the time being. A lot of too-small trade flows that are not very interesting to correct.c. Will be looking at the difference between retranscribed prices and predicted prices (by a repeated sales model). Many mistakes in MarseilleIt is often because they forget to divide by 100 or they mix "sous" and "livres".4. DataMarseilles's data are a pain to check and integrate in the database. Loïc is doing it on his own and is spending a lot of time on each document.This is blocking the integration of Dardel's Rouen.We decide to put Moyons at the Assistance Publique on the top of the pile.5. Simplification of goods and measure unitsMatthias has treated the measure units with three successive files.The work on Merchandise Simplification has started again thanks to Florence. Pierre is going to participate and aims at finishing at the end of February or March.6. 2017 ConferencePierre makes two proposals.- Use Chaurand and Gradis and check if their data is compatible with ours- Study the link between the complexity of classifications and specialization between ports. Start with wine ?7. Next meetings03/02-9:30 : medialab08/03-9:30 : medialab21/04-9:30 : medialab01/06-9:30 : medialab