I must be thick, but I can't get my head around this in QGIS
Data stationid_ obs_date BK21 28/03/2016 BK21 29/03/2016 BK21 30/03/2016 BL22 28/03/2016 BL22 29/03/2016 BL22 30/03/2016 BL22 31/03/2016 How do I select the Maximum date for each station ID? The data will be coming from a GEOJSON feed but I can also pull it as a shape file if needs be Cheers - Phil
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