modern e-learning techniques for statistics
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Modern e-Learning Techniques for Statistics
Wolfgang HrdleSigbert KlinkeUwe Ziegenhagen
Institute for Statistics and EconometricsCASE - Center for Applied Statisticsand EconomicsHumboldt-Universitt zu Berlinhttp://ise.wiwi.hu-berlin.de
http://ise.wiwi.hu-berlin.de/http://ise.wiwi.hu-berlin.de/ -
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Introduction 2
Introduction
Common opinion: Statistics is evilBachelor classes: failure rates of 30-50% students avoid statisticsHow to improve understanding?
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Introduction 3
e -Learning
web- and computerbased training applicationsauthoring applicationssimulations
videoconferencing/teleteaching systemslearning (content) management systemscontent-cataloguesdigital learning games
e -Learning = everything which teaches somethingby digital media.
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Introduction 4
Overview
IntroductionTeaching statistics with wikisQuantnet Managing scientic code onlinePodcasting teaching on a ngerslide
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Teaching statistics 5
MM*Stat
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Teaching statistics 6
Technical Limits of MM*Stat
Browser incompatibilities
Difficult to extendNo support for non-Latin languagesNo collaboration featuresLong-term support?
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Collaborative Learning 7
Wiki software
1995: Ward Cunninghamcollection of webpages which can be read and edited by users
special syntax simpler than HTMLtechnical requirements: webserver and databasecommon packages: TWiki, MediaWikiaims
collect knowledge in collaborative waypublish online in a convenient way
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Collaborative Learning 10
StatWiki
Figure: StatWiki Screenshot
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Collaborative Learning 11
StatWiki
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Collaborative Learning 12
TeachWiki
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Collaborative Learning 13
Extending wikis with R
Figure: Interactive form for a gure R
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Collaborative Learning 14
Extending wikis with R
Figure: HTML distribution table
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Collaborative Learning 15
Wiki conclusion
+ easy way of putting materials online
+ allows convenient collaboration+ functionality for managing pages- some useful teaching components missing (Moodle)- security (spam, vandalism)
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Quantnet 16
Quantnet managing scientic code
Desirable for research: reproducible and reusableCode & data for papers, theses, booksMD*Base: a data storage platform
plain-text datasetsXML description
QuantNet project: a platform to manage data
and source code
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Quantnet 30
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Quantnet 30
Quantnet conclusion
+ collect all materials in one place
+ convenient integration of new materials+ easy generation of download packages- large initial programming work- each supported language requires adjustments
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Video- and Audio Podcasting 31
From past to present
video creation in the past:
analog recording & editinghigh costs (hardware, personnel)
video creation today:digital camcorders (DV-tape, HD, DVD)editing software for freeefficient formats available (MP3, MP4)
equipment starting with few hundred EuroUseful for teaching?
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Content distribution by podcast
podcast = iPod & broadcastingvideo/audioles stored on a webservermanaged by RSS le, contains informationon episodes stored in XML
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Video and Audio Podcasting 33
Creating digital content
taping ordinary lectures & eventstaping exclusively for videoscreencaptures and animations
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Video and Audio Podcasting 34
Podcasting Examples
Modern Non-Parametric Statistics 2007
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V g
Podcasting Examples
Econ Bootcamp 2008
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Podcasting Examples
R Introductory Course
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Trapdoors
high organizational requirements for excellent contents
taping speaker insufficientmatching video and slides highly time-consumingtime for post-production underestimated. . .
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Conclusion podcasting
+ allows learning everywhere (train, plane)+ may generate bigger audiences for lectures and
conferences+ simple way of distributing digital content- equipment is rel. cheap, however quality takes time
and money
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