CS代考 COMP3115 Exploratory Data Analysis and Visualization
COMP3115 Exploratory Data Analysis and Visualization Lecture 4: Data Preprocessing Dr. Why we need data preprocessing What is data preprocessing Copyright By PowCoder代写 加微信 powcoder Structured data preprocessing – Data Clean – Data Transformation Text data (unstructured) preprocessing data – Text documents and Text mining – Tokenization – Stemming – TF-IDF […]
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