Exercises

1. In your own words, describe the relationship between the analytics goals and data cleaning. Your response should answer the following questions:

   a) Is data cleaning a separate step of data analytics and can be done in isolation? In other words, can data cleaning be performed without you knowing about the analytics process?

   b) If the answer to the previous question is no, are there any types of data cleaning that can be done in isolation?

   c) What is the role of analytic tools in the relationship between analytic goals and data cleaning?

2. A local airport that analyzes the usage of its parking has employed a Single-Beam Infrared Detector (SBID) technology to count the number of people who pass the gate from the parking area to the airport.

   As shown in the following diagram, an SBDI records every time the infrared connection is blocked, signaling a passenger entering or exiting:

Figure 9.7 – An example of a Single-Beam Infrared Detector (SBID...