tianyuan09 / ai4ph2022

Welcome to the Artificial Intelligence for Public Health (AI4PH) event in 2022.

Tutorial on Text Analytics Using R (AI4PH 2022)

Welcome to the Artificial Intelligence for Public Health (AI4PH) event in 2022.

The tutorial and data challenge materials can be found at: https://bookdown.org/tianyuan09/ai4ph2022/.

This online tutorial will accompany two sessions:

• Tutorial on text analytics with R
  • data pre-processing
    • regular expressions
    • tokenization
    • stopwords
    • stemming
    • Exploratory data analysis
  • supervised learning (classification models)
  • unsupervised learning (topic modelling)
• Data Challenge using the N2C2 NLP Research Datasets

The Twitter Datasets

This repository contains the Twitter dataset you will use for the tutorial session.

• TwitterDataforClassification.csv
• TwitterDataforTopicModelling.csv

The tutorial site was created with R Markdown and bookdown (https://github.com/rstudio/bookdown).