Which one reached higher accuracy


Assignment: Data Engineering And Mining

Task description:

Data Engineering and Mining

The data set comes from the Kaggle Digit Recognizer competition. The goal is to recognize digits 0 to 9 in handwriting images. Because the original data set is large, I have systematically sampled 10% of the data by selecting the 10th, 20th examples and so on. You are going to use the sampled data to construct prediction models using multiple machine learning algorithms that we have learned recently: nai¨ve Bayes, kNN and SVM algorithms. Tune their parameters to get the best model (measured by cross validation) and compare which algorithms provide better model for this task.

Report structure:

Section 1: Introduction

Briefly describe the classification problem and general data preprocessing. Note that some data preprocessing steps maybe specific to a particular algorithm. Report those steps under each algorithm section.

Section 3: Nai¨ve Bayes

Build a nai¨ve Bayes model. Tune the parameters, such as the discretization options, to compare results.

Section 3: K-Nearest Neighbor method Section 4: Support Vector Machine (SVM)

Section 4: Algorithm performance comparison

Compare the results from the two algorithms. Which one reached higher accuracy? Which one runs faster? Can you explain why?

The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.

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