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Group data and aggregate into new variables - Python

I have a data feed that gets updated every minute with marine traffic data by csv.

The plan is that when I have at least 2 updates per ship I will group the data by IMO number(unique ref per ship) then if the time between updates is < 1 minute I will compute the following;

Latest SOG - Previous SOG

I also want some kind of text output if the NAVSTAT has changed between updates.

This will be presented in a kind of live table which is updated every minute when the data gets updated however I will most probably just schedule using Cron.

Квалификация: Python, Обработка данных

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О работодателе:
( 7 отзыв(-а, -ов) ) chester, Spain

ID проекта: #22743780

24 фрилансеров(-а) в среднем готовы выполнить эту работу за $135

schoudhary1553

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7.7
lkhelladi

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$95 USD за 1 день
(147 отзывов(-а))
7.2
gangabass

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$120 USD за 1 день
(278 отзывов(-а))
7.0
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