IoT Lecture 5: Data Access and Machine Learning

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What is the main purpose of using well-documented format for data exchange in IoT?

To increase the complexity of the data exchange process

To minimize the storage space required for data exchange

To restrict the usage of distributed file systems

To ensure that each device or application can produce or consume data correctly (correct)

Why might the name 'Comma Separated Values' be misleading?

It can only use commas as the separator character

It doesn't actually separate values

It cannot store records into a file

The format can use any separator character (correct)

What is the purpose of using an escape character in the CSV format?

To handle cases where the record data contains the separator character (correct)

To indicate the end of a record

To escape from using commas as separator characters

To separate values within a record

Why is the 'csv' module in Python considered to have limitations regarding date and time?

It cannot handle date and time data with time zone information Signup and view all the answers

In which scenario would usage of distributed file systems be mandated for IoT data exchange?

When the data producers need to share the same storage and produce data at very high throughput Signup and view all the answers

Why is text format considered as the simplest format to use for IoT data exchange?

Because it does not require any modules or libraries to interact with text format as all programming languages support reading and writing from files Signup and view all the answers

What format is supported by Python module 'NumPy'?

CSV format with numeric values only Signup and view all the answers

Which Python module supports CSV format and can handle mixed data types including strings, date, time, and numeric values?

Pandas Signup and view all the answers

What is the most common used data format in web and mobile applications?

JSON Signup and view all the answers

Which type of learning is used to predict a real-valued output or a discrete label?

Supervised Learning Signup and view all the answers

IoT Lecture 5: Data Access and Machine Learning

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Questions and Answers

What is the main purpose of using well-documented format for data exchange in IoT?

Why might the name 'Comma Separated Values' be misleading?

What is the purpose of using an escape character in the CSV format?

Why is the 'csv' module in Python considered to have limitations regarding date and time?

In which scenario would usage of distributed file systems be mandated for IoT data exchange?

Why is text format considered as the simplest format to use for IoT data exchange?

What format is supported by Python module 'NumPy'?

Which Python module supports CSV format and can handle mixed data types including strings, date, time, and numeric values?

What is the most common used data format in web and mobile applications?

Which type of learning is used to predict a real-valued output or a discrete label?

In which type of learning does the model learn by itself the underlying patterns and relationships in the data?

What type of machine learning is linear regression?

In machine learning, what is the goal of regression?

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