Cover Image

Feature weighting.

Jonathan Slapin, PhD, Professor of Government and Director of the Essex Summer School in Social Science Data Analysis at the University of Essex, discusses the weighting of features in a document feature matrix, including why features should be weighted, three ways to weight features--relative frequ...

Full description

Bibliographic Details
Other Authors: Slapin, Jonathan B., 1979- (Academic.)
Format: Video
Language:English
Language Notes:Closed-captions in English.
Published: London : SAGE Publications Ltd, 2017.
Series:Fundamentals of Quantitative Text Analysis ; 17.
Subjects:
Computational linguistics.
R (Computer program language)
Linguistique informatique.
R (Langage de programmation)
computational linguistics.
Computational linguistics
Online Access:Connect to this streaming video
Description
Summary:Jonathan Slapin, PhD, Professor of Government and Director of the Essex Summer School in Social Science Data Analysis at the University of Essex, discusses the weighting of features in a document feature matrix, including why features should be weighted, three ways to weight features--relative frequency, Boolean, and term frequency-inverse document frequency--and using R to weight feature counts.
Physical Description:1 online resource (1 video file (00:05:40)) : sound, colour.
ISBN:9781526476630
1526476630