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Wild Mushrooms Classification – Edible or Poisonous. Yulin Shen ECE 539 Presentation 2013 Fall. Mushroom is a kind of food with high nutrition, however, it is sometimes poisonous! A classification problem. Develop some models for prediction. Dataset is from UCI Machine Learning Repository

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wild mushrooms classification edible or poisonous

Wild Mushrooms Classification – Edible or Poisonous

Yulin Shen

ECE 539 Presentation

2013 Fall

slide2

Mushroom is a kind of food with high nutrition, however, it is sometimes poisonous!

  • A classification problem.
  • Develop some models for prediction.
slide3

Dataset is from UCI Machine Learning Repository

About 8000 combinations

Convert data into numerical form with an integral scale

It can help to improve distances order for K-NN

4-way cross validation

Get 4 pairs of datasets

slide4

K-NN Classifier

Euclidean distance

Exhaustive K

Determined by occurrences

Naïve Bayer Classifier

Each probability of features

Compare positive and negative probabilities

Some features have very high probabilities

slide6

References

University of California – Irvine. “Mushroom Dataset”, May 1989. http://archive.ics.uci.edu/ml/datasets/Mushroom

Grayson Leonard, Matt Schartman. “Classifying Edibility of Mushrooms”, June 2012.

Min-Ling Zhang, Zhi-Hua Zhou. “A K-Nearest Neighbor Based Algorithm for Multi-label Classification”.

Wikipedia. “Naïve Bayes Classifier”. http://en.wikipedia.org/wiki/Naive_Bayes_classifier