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Machine Learning, Fall 2011, Homework 1

Problem Descriptions

hw1.pdf

Data

Each line of the training data set is a 20-dimensional example of the form

yn (xn)_1 (xn)_2 ... (xn)_20

Each line of the test data set is of a similar format except that the label yn is not given. The training data set contains 100 examples; the test data set contains 1000.

hw1_train.dat
hw1_test.dat (a bug fixed at 4pm, 09/29/2011)

Guideline for Submitting Predictions for 1.5(7)

Go to http://main.learner.csie.ntu.edu.tw/php/ml11fall/main.php and login with the ID and password given by the TAs (or you can try with the test account provided by the TAs as well)
Click the Homework 1 link on the page after login

Upload your prediction file that follows the format of the sample file:

each line of the prediction file contains the predicted label for one test example. 
So for homework 1, your file should contain 1000 lines, each of which contains a 
single positive or negative 1 as the prediction. You can use either +1 or 1 for 
positive 1, and -1 for negative 1

Note that you only have one chance of submission and the system would warn you for that.
After you submit, check for the message File upload was successful to make sure that everything is alright. If there are problems, please mail to the TAs.

Grading TAs

Problems 1.2 1.3 1.4: Chung-Liang Li
Problems 1.1 1.5 1.6: Chun-Yen Ho

Last updated at CST 14:55, September 25, 2020
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