Reference no: EM132238186
Machine Learning Assignment -
Written Question: Neural Networks for XOR Problem
Read Chapter 6.1 of the Deep Learning Book (pages 168{177), use your own words to explain why neural networks would be a good fit for learning the XOR function.
Machine Problem: Sentiment Classification Using Logistic Regression
The goal of this assignment is for you to gain familiarity with the logistic regression (LR) classifier. Specifically, you will implement a logistic regression classifier and apply it to a sentiment classification task.
For this homework, you will use the sample dataset as provided in HW1. They are included in the homework package. In particular, positive.review and negative.review are two data files that respectively contain positive and negative book reviews. Each line in the file corresponds to a review document. Each token (e.g., year:2) in the line corresponds to a word and its frequency in the document. The last token (e.g., #label#:negative) in each line indicates the polarity (label) of the document.
Your task is to build a logistic regression classifier and apply it to sentiment classification. The input to the LR classifier is the same document-term matrix (with term frequency as cell value) as for the multinomial Naive Bayes classifier in HW1. For this homework, you are allowed to use any logistic regression toolkit, but Scikit-learn is particularly recommended.
You are required to randomize the data instances in the same way as in HW1 (i.e., set np.random.seed(0)). Then, 80% of the data will be used for training and 20% for testing the LR classifier performance. This is to ensure that the same train and test data instances will be used by everyone.
You will report performance on the test set using precision, recall, and F-score. F-score is defined as F1 = (2xPxR)/(P+R), where precision (P) and recall (R) are calculated with respect to the positive data instances.
Attachment:- Assignment Files.rar
|
The roles of stakeholders in an e-learning environment
: Describe the roles of four key stakeholders in an e-Learning environment, namely students, instructors, administrators, and technical support staff.
|
|
What factors specifically interrupt the flow of food
: The widespread use of microbiological, chemical, and other forms of pesticides in food continues to be a serious issue throughout the global food chain.
|
|
Write program that will extract the web addresses
: write a program that will take this database file and extract the Web addresses that the user visited, the number of times the page was visited and the last
|
|
How are they supposed to solve the problem of evil
: What are "soul building evils" according to Sober? How are they supposed to solve the problem of evil?
|
|
Build a logistic regression classifier
: CAP5610 Machine Learning Assignment, University of Central Florida, USA. Build a logistic regression classifier and apply it to sentiment classification
|
|
Translating evidence into clinical practice
: evidence-based practice that you see yourself using as a provider in your clinical practice and discuss how it meets the listed benefits
|
|
Research paper - the growth of jail in rural america
: Research paper - The Growth of Jail in Rural America An analysis of existing literature on the topic alone will not suffice for your research design
|
|
Focus on how to develop children''s ability to comprehend
: Find two research articles that discuss other ways to explicitly provide instruction in vocabulary development to demonstrate your breadth.
|
|
What type of work relationship will allow you to maintain
: What type of work relationship will allow you to maintain professionalism with her without jeopardizing your job, and why?
|