Www.decideo.fr/bruley Data Visualization Michel Bruley Teradata Aster EMEA Marketing Director April 2013 Michel Bruley Teradata Aster EMEA Marketing Director.

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Presentation transcript:

Data Visualization Michel Bruley Teradata Aster EMEA Marketing Director April 2013 Michel Bruley Teradata Aster EMEA Marketing Director June 2013 Visual Community:

Origin of Information Visualization

Large Scale Visual Analytics n Definition: Visual analytics is the science of analytical reasoning facilitated by interactive visual interfaces. n People use visual analytics tools and techniques to –Synthesize information and derive insight from massive, dynamic, ambiguous, and often conflicting data –Detect the expected and discover the unexpected –Provide timely, defensible, and understandable assessments –Communicate assessment effectively for action.

Visual Analytics: conceptual view Visualization Model visualization

Techniques and Applications n Statistics: A/B testing(split testing/bucket testing ), Spatial analysis, Predictive modelling: Regression n Machine Learning: Unsupervised learning: cluster analysis, Supervised learning: classification, support vector machines(SVM), ensemble learning, Association rule learning n Data Mining and Pattern Recognition: neural network, classification, clustering n Natural language processing(NLP): Sentiment analysis n Dimension Reduction: PCA, MDS, SVD n Data fusion and data integration: Visual Word n Time series analysis: Combination of statistics and signal processing n Simulation: Monte Carlo simulations, MRF n Optimization: Genetic algorithms n Visualization: Scientific Vis, Info visualisation, Visual Analytics

Use cases n Financial Visual Analytics n Cyber security Visual Analytics n Visual Analytics for Investigative Analysis on Text Documents n Situation Surveillance and Awareness in Investigative Analysis n Multimedia Visual Analytics n Terrorism and Responses n Disease visual analytics for Disease outbreak Prediction n Etc.

Stacked Graphs

Tree Visualization(1) Node-Link Diagrams DendrogramSunburst

Tree Visualization(2) TreemapCircle-packing layouts

Network Visualization Force-Directed Layout Arc Diagrams Matrix Views

Scatter Plot

Parallel Coordinates

Maps

Flow Maps Napoleon’s Russian offensive was a catastrophe. He started with 422,000 men in June 1812 and returned with less than 10,000 soldiers on October 7, (For more details see slide notes)

Aster Discovery Platform

AFFINITY VISUALIZER Visualize clusters & groups HIERARCHY VISUALIZER Visualize hierarchical relationships FLOW VISUALIZER Visualize paths & patterns Out-of-the-Box In-Database In-Process Analytics-Aware Complementary Complementary Value BI Tools: Batch Visualizations Outside the Database, General & Generic Aster: Rapid Visualizations, in-Database, for Specialized Analytics Visual SQL-MapReduce ® Functions Complementary to BI tools & other visualizations

Functions: Flow, Affinity, Hierarchy Visualizers Flow Affinity Hierarchy Chord

Team Power