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Age of Abalones using Physical Characteristics: A Classification Problem

Age of Abalones using Physical Characteristics: A Classification Problem. Hiran Mayukh ECE 539. What is an Abalone?. S ea snails found worldwide Also called sea-ears and ear-shells. What is this project about? . Finding age of an abalone Cumbersome laboratory process

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Age of Abalones using Physical Characteristics: A Classification Problem

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  1. Age of Abalones using Physical Characteristics: A Classification Problem Hiran Mayukh ECE 539

  2. What is an Abalone? • Sea snails found worldwide • Also called sea-ears and ear-shells

  3. What is this project about? • Finding age of an abalone • Cumbersome laboratory process • But physical characteristics easily measurable • Use physical characteristics to predict age using a learning algorithm

  4. What is this project about? • Recast as a classification problem • Find age range using physical characteristics

  5. The Dataset • University of California, Irvine’s Machine Learning Repository • 8 physical characteristics • Sex • Length • Diameter • Height • Whole weight • Shucked weight • Viscera weight • Shell weight

  6. The Dataset • Preprocessing • Convert age to age range (class label) • Split into training and testing data samples

  7. Experiments • Maximize classification accuracy • k-means • SOM learning algorithm, fine-tuned by LVQ classification • Hierarchical clustering • Find most significant features • Elide feature and find classification accuracy

  8. Thank You!

  9. References [1] http://en.wikipedia.org/wiki/Abalone [2] http://archive.ics.uci.edu/ml/datasets/Abalone [3] http://archive.ics.uci.edu/ml/machine-learning-databases/abalone/abalone.names Sources of pictures: [Slide 2] http://animals.howstuffworks.com/marine-life/abalone-info.htm [Slide 3] http://californialegacy.org/radio_anthology/scripts/sterling.html [Slide 4] http://www.islandgourds.com/page6.html [Slide 5] http://www.malibudivers.com/index.php? option=content&task=view&id=125 [Slide 6] http://www.shells-of-aquarius.com/abalone-shells.html [Slide 7] http://naplesseashellcompany.com/red_abalone.html [Slide 8] http://www.theage.com.au/news/national/mystery-virus-wreaks-havoc/2007/02/24/1171734074109.html

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