Das Statistiklabor ist ein explorativer und interaktiver Werkzeugkasten zur Unterstützung der statistischen Ausbildung. Einfache oder auch komplexe statistische Probleme können mit Hilfe des Statistiklabors simuliert, bearbeitet und individuell gelöst werden. Die vielfältigen grafischen Darstellungsvarianten ermöglichen dabei jederzeit anschauliche Visualisierungen der zugrundeliegenden Daten.
Rattle (the R Analytical Tool To Learn Easily) presents statistical and visual summaries of data, transforms data into forms that can be readily modelled, builds both unsupervised and supervised models from the data, presents the performance of models graphically, and scores new datasets.
You can use the Ricebridge XML Manager and CSV Manager Java components together to easily convert from CSV to XML and back again. You can create XML with multiple levels of grouped elements, and simple CSV files from complex XML documents. You can even handle multi-gigabyte files and never run out of memory. In this article we take you through the code, line by line, and explain all the details. Don't worry, we've designed our components so that this stuff is easy.
This free online tool converts from XML to CSV (comma separated values) format. It uses code from the open source project XmlToCsv which is available from codeplex.
R first appeared in 1996, when the statistics professors Robert Gentleman, left, and Ross Ihaka released the code as a free software package.
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By ASHLEE VANCE
Published: January 6, 2009