Podcast
Questions and Answers
Steven S. Skiena is a professor in the ______ Department
Steven S. Skiena is a professor in the ______ Department
Computer Science
The ISBN for the printed version of The Data Science Design Manual is ______
The ISBN for the printed version of The Data Science Design Manual is ______
978-3-319-55443-3
The ISSN for the electronic version of The Data Science Design Manual is ______
The ISSN for the electronic version of The Data Science Design Manual is ______
1868-095X
The Library of Congress Control Number for The Data Science Design Manual is ______
The Library of Congress Control Number for The Data Science Design Manual is ______
The copyright for The Data Science Design Manual is held by the ______
The copyright for The Data Science Design Manual is held by the ______
Data is often represented by a ______, where the rows of the matrix represent distinct items or records, and the columns represent distinct properties of these items
Data is often represented by a ______, where the rows of the matrix represent distinct items or records, and the columns represent distinct properties of these items
When confronted with an unstructured data source, such as a collection of tweets from Twitter, our first step is generally to build a ______ to structure it
When confronted with an unstructured data source, such as a collection of tweets from Twitter, our first step is generally to build a ______ to structure it
A bag of words model will construct a ______ with a row for each tweet, and a column for each frequently used vocabulary word
A bag of words model will construct a ______ with a row for each tweet, and a column for each frequently used vocabulary word
Matrix entry M[i, j] then denotes the number of times tweet i contains word j. Such ______ will motivate our discussion of linear algebra, in Chapter 8
Matrix entry M[i, j] then denotes the number of times tweet i contains word j. Such ______ will motivate our discussion of linear algebra, in Chapter 8
This book will focus on dealing with ______ data
This book will focus on dealing with ______ data
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Study Notes
Steven S. Skiena's Role
- Steven S. Skiena is a professor in the Computer Science Department.
The Data Science Design Manual Book Details
- The printed version of The Data Science Design Manual has an ISBN of ______.
- The electronic version's ISSN is ______.
- The Library of Congress Control Number is ______.
- The copyright for The Data Science Design Manual is held by ______.
Data Representation
- Data is often represented by a matrix.
- Rows represent distinct items or records.
- Columns represent distinct properties of these items.
Structuring Unstructured Data
- When dealing with unstructured data, such as Twitter tweets, the first step is usually to build a structured representation to organize it.
Bag of Words Model
- A bag of words model creates a matrix with a row for each tweet and a column for each frequently used vocabulary word.
- Matrix entry M[i, j] indicates the number of times word j appears in tweet i.
- This matrix model forms a basis for the discussion of linear algebra in Chapter 8.
Data Focus
- This book concentrates on handling structured data.
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