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leaRning houR

an intRoduction to the wondeRful woRld or RRRRing

Werner Grundlingh

on 1 November 2012

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Transcript of leaRning houR

“Free software” is a matter of liberty, not price. To understand the concept, you should think of “free” as in “free speech”, not as in “free beer”. lea ning hour Werner Grundlingh
Martin Monkman
Peter Lomas What? R is an open source programming language and software environment for statistical computing and graphics. The R language is widely used among statisticians for developing statistical software and data analysis. R provides a wide variety of statistical (...) and graphical techniques, and is highly extensible via packages. C:\> Platform
independent Convenient
installation Versatile
interface/usage Where? Who? APL R From/at University level to Industry
Cuts across disciplines (finance, statistics, econometrics, ...)
HUGE online community of contributors
Comprehensive R Archive Network (CRAN)
R-bloggers, AddictedToR, ...
... APL R SPSS "Usage" of
language in
academia TIOBE Programming Language/Community Index
Tracks "online presence" of 200+ languages
Minimum requirement = Wikipedia TIOBE is an indicator of the popularity of programming languages. Ratings are based on
the number of skilled engineers world-wide,
courses and
third party vendors.
The index can be used to
check whether your programming skills are still up to date or
make a strategic decision about what programming language should be adopted when starting to build a new software system. R
SPSS = 27
= 43
= 94 Why? Why not? ... it's free! R
SPSS = 12
= 30
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