Analytics for the Internet of Things (IoT)

Analytics challenges

Analytics often requires deciding on whether to fill in or ignore the missing values. Either choice may lead to a dataset that is not a representative of reality.

As an example of how this can affect results, consider the case of inaccurate political poll results in recent years. Many experts believe it is now in near crisis due to the shift of much of the world to mobile numbers as their only phone number. For pollsters, it is cheaper and easier to reach people on landline numbers. This can lead to the over representation of people with landlines. These people tend to be both older and wealthier than mobile-only respondents.

The response rate has also dropped from near 80% in the 1970s to about 8% (if you are lucky) ...