YIFEI ZHOU
-
Web-Mining Project - I: Graph Analysis of a Story Book (Part 3)
A View of tidy form of book. The table below shows the tidy version of the book, compared with the original raw text, it looks more structured and organized. The book was presented as a data frame, it consists of four columns, title of the book, chapter number, word and...
-
Web-Mining Project - I: Graph Analysis of a Story Book (Part 2)
3. Correlation Graph Creation Up to now, I have finished the instruction of (Preprocessing) initialization part. After this stage, I have got a regular and tidy form of the book rather than raw text. In this case, I supposed to use Greenmantle (By John Buchan) [2], this fictional book, as...
-
Web-Mining Project - I: Graph Analysis of a Story Book (Part 1)
1. Introduction In this assignment, I mainly applied some analytical graph-based techniques combined with NLP (Natural Language Processing) approaches to do some the textual analysis for a book. One intent of this assignment is to create a correlation graph focused on the most frequent words occurred in a book. Besides,...
-
Machine Learning Project - III: Scratched Classification Algorithm Implementation & Evaluation (Logistic Regression)
1. Introduction As we all known, machine learning (ML) is a big family. One of the well-defined definition of ML is to improve the performance of a task based on one experience (Mitchell 1977). And our aim is to extract the interesting knowledge form some large, raw or unstructured datasets....