Reading
The material on the following sites is important and should be read either before or after studying the text in this section.
The LDA Buffet: A Topic Modeling Fable
Matthew L. Jockers
This web blog provides a succinct, clear, and humorous introduction to topic modeling, sans mathematical details. Topic modeling is illustrated with a vignette describing an imaginary conversation between Jane Austen and Herman Melville.
Topic Modeling Made Just Simple Enough
Ted Underwood
April 7, 2012
Humanities scholar Ted Underwood presents the main concepts of topic modeling qualitatively in a clear manner, illustrated with simple examples. There is some mathematical treatment, but it is kept on a basic level.
Topic Modeling and Latent Dirichlet Allocation (LDA) in Python
Susan Lee
May 31, 2018
This short web article discusses topic modeling using LDA in Python. Data preprocessing steps are reviewed. An example using LDA and term frequency-inverse document frequency (tfidf) and corresponding Python code are presented.
Topic Modelling and Dynamic Topic Modelling: A Technical Review
By Statistics Canada
This web article provides a technical and mathematical overview of topic modeling and dynamic topic modeling
A Beginner’s Guide to Latent Dirichlet Allocation (LDA)
Ria Kulshrestha
Jul 19, 2019
This web article describes the basic concept of LDA in a straightforward manner, and illustrates the main points with intuitive examples.
R Code
This section uses the R code Topic_Modeling_Example.R and the data file subjectData.csv.