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Werkzeuge zur digitalen Verarbeitung geistes- und kulturwissenschaftlicher Information
Visualisation
Methods and tools for critical reflections on data
Content
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Theory
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Tools
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Hands-on
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Wrap up
01
Theory
Visualization – what is it good for
- Tool for handling amounts of data or information that are either so large or so complex that the human mind cannot oversee them without external tools
- Generate knowledge through explorative analysis from large (unstructured) data corpora
- Finding errors in the data set
Visualization in the research process
- Explorative Analysis
- Confirmatory Analysis
- Explanatory Visualisation
What can I display and how?
- Temporal Reference: Time Lines
- Spatial Reference: Data Maps
- Abstract reference: various types of diagrams
- Relational Reference: Graphs and Trees
Dot and Line Diagram 1
Number of job advertisements placed in the daily newspapers Passauer Zeitung und Kurier für Niederbayern in the period 1914–1918
Data Map1
John Snow: Spatial Visualization of Cholera Cases in London 1854
Time Series / Data Map
Charles Minard: Carte figurative des pertes succecives en hommes de l'Armée Française dans la campagne des Russie 1812–1813
Abstract reference 1
Box diagram showing a foldout chart from "Chronological history of the major floods of river Elbe since a thousand and more years" (in the period 1501-1784), by Christian Gottlieb Poetzsch 1784, Courtesy of Bayrische Staatsbibliothek
Abstract reference 2
Box diagram showing results of federal elections in germany 2017
Visualization of information
is complex interwoven in the research process
- 1. data sampling / data processing
- 2. algorithm based analysis
- 3. data visualization
- 4. hermeneutic interpretation of the visualization
Note
These four phases are interdependent.
Important for visualization is the consistency and comparability of the data.
Therefore, there is a risk of misinterpretations due to poorly designed visualization.
02
Demo and Hands-on
03
Wrap Up
- Do not believe in visualization, always critically question the data basis
- Data Criticism: Data are always an extract from an even more extensive mass of possible data.
- Modelling (simplification, shortening) of the "reality" → Data do not represent reality, they point to it
Literature & Software
Literature
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Roxana Kath, Gary S. Schaal und Sebastian Dumm, „New Visual Hermeneutics“, in: Zeitschrift für germanistische Linguistik 43/1 (01.01.2015). Online: Crossref, DOI: 10.1515/zgl-2015-0002.
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Malte Rehbein, Informationsvisualisierung. in: Digital Humanities: eine Einführung, herausgegeben von Fotis Jannidis, Hubertus Kohle und Malte Rehbein, S. 328-342, Stuttgart 2017.
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