Small Topic Modeling Example

Based on Jacobi, C., van Atteveldt, W., and Welbers, K. (2016). Quantitative Analysis of Large Amounts of Journalistic Texts using Topic Modelling, Digital Journalism, 4:1, 89-106 [http://vanatteveldt.com/p/jacobi2015_...]


Handouts and extra material for this video are available at https://github.com/ccs-amsterdam/r-co.... For R code to run and inspect LDA models see https://github.com/ccs-amsterdam/r-co...


Extra material:
course-material/blob/master/tutorials/graphical_interpretation.html - Graphical interpretation of SVD and dimensionality reduction

https://github.com/vanatteveldt/learn... - R Code to compute perplexity (goodness-of-fit)
https://github.com/vanatteveldt/learn... - R code to run your own gibbs sampler in R
https://github.com/vanatteveldt/learn... - R code that animates the iterative Gibbs sampler
https://htmlpreview.github.io/?https:...