Analytics for the Internet of Things (IoT)

Reduce the number of records

Now, finally, you could simply just delete old records. But wait, there are some other options where you can at least retain some possibly useful information. Once you delete the history, it is gone for good. The fear should be that you will find out later that if you had just kept that data, it could have been used to create a more valuable ML model and generated some additional revenue. Some other options are listed next:

• Deleting raw data but keeping the refined versions of it: After a certain amount of time, having both the raw data and the refined version probably does not add much value. You can delete older raw data files without losing much value.
• Summarizing old data: Instead of deleting the data completely, ...