Implement Naive Bayes Classifier on Abalone Dataset - IT Assignment Help

Assignment Task

You are asked to implement naive bayes classifier on abalone dataset.

The aim of the dataset is to predict the age of abalone from physical measurements. Originally it is a regression problem in which the output is age in years. However, we will use it as a classification problem. The age value is already discretized as young, middle-aged, and old. The dataset (input features and class labels of the samples) is provided as a seperate text file (abalone_dataset.txt). input: Sex,Length,Diameter,Height,Whole weight,Shucked weight,Viscera weight,Shell weight output: class label (less than 8 in age belongs to class 1 (young), between 8 and 12 to class 2 (middle-aged), greater than 12 to class 3 (old)) Optimization on validation set is not required in Naive Bayes classification. So, the dataset will be divided into training and validation sets only (i.e. there will not be a test set). You are asked to implement naive bayes classifier for the following 2 cases:

1) Use Naive Estimator for each of the continuous feature. Determine the bin size for each feature with your own criterion. Report the accuracies for each of the following case:

1.1) 100 samples for training, and rest for validation set

1.2) 1000 samples for training, and rest for validation set 2) Use Kernel Estimator for each of the continuous feature. Determine the bin size for each feature with your own criterion.

Report the accuracies for each of the following case:

1) 100 samples for training, and rest for validation set

2) 1000 samples for training, and rest for validation set For each of the above cases, - Report how many total misclassification errors are there on the training and validation sets, together with the confusion matrices. (Note: A confusion matrix is a 3x3 matrix (if # of classes is 3) where entry (i,j) contains the number of instances belonging to i but are assigned to j; ideally it should be a diagonal matrix.) - Report the case in which highest accuracy is obtained. Write your comments about the results. You should SUBMIT A SINGLE PDF DOCUMENT which contains the following: a) a report that gives your results and comments. b) all the the program code (source code) that does the calculation in an executable format.

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