TEXT MPA 635: Data Visualization November 13, 2018 P L A N F O R - - PowerPoint PPT Presentation

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MPA 635: Data Visualization November 13, 2018

P L A N F O R T O D A Y Surveys and qualitative data Digital humanities Visualizing text with R

S U R V E Y S A N D Q U A L I TAT I V E DATA

S I N G L E R E S P O N S E Q U E S T I O N S

M U L T I P L E R E S P O N S E Q U E S T I O N S

C O O C C U R R E N C E A N A LY S I S

F R E E R E S P O N S E S

I S T H I S O K A Y ?

W O R D C L O U D S F O R G R O W N U P S

Counting words, but in fancier ways

D I G I TA L H U M A N I T I E S

C R A S H C O U R S E I N C O M P U T A T I O N A L L I N G U I S T I C S

Tokens, lemmas, and parts of speech Topics and LDA tf-idf Sentiment analysis Fingerprinting

T I D Y T E X T

T O K E N S

Element of the text Word Sentence Verse Line Paragraph n-gram

T O K E N F R E Q U E N C Y

N - G R A M F R E Q U E N C Y

P A R T S O F S P E E C H

P A R T O F S P E E C H F R E Q U E N C Y

A R T S Y S T U F F

S E N T I M E N T A N A LY S I S

How positive or negative a text is

S E N T I M E N T A N A LY S I S

T F - I D F

Term frequency-inverse document frequency

How important a term is compared to the rest of the documents

T O P I C M O D E L I N G

L A T E N T D I R I C H L E T A L L O C A T I O N

C L U S T E R S O F R E L A T E D W O R D S

T R A C K T O P I C S O V E R T I M E

F I N G E R P R I N T I N G

Analyze richness or uniqueness of document

Punctuation patterns, vocabulary choices, sentence length Hapax legomenon

Sentence length

Hapax legomena

Verse length

V I S U A L I Z I N G T E X T W I T H R