Just to make it more clear: based on IP addresses I retrieve MAC addresses and timestamps from the CSV file. I will retrieve several timestamps for each IP address. What I want to achieve is to make a timechart where I can see the MAC addresses in time. So, for example, if I have 2 MAC address with timestamp 1st of April and then I have only one MAC address with timestamp 1st of May for IP "::1", I want to see that in the timechart. Hence, from 1st April to 1st May IP "::1" should have two MAC addresses and starting 1st of May only one MAC address.
Do you have any suggestions? Thanks
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