Tag: topic models

All about topic modeling

All about topic modeling

For the latest instalment of the Fish and the Painting I have been wrestling with topic modeling. I say wrestling not because the coding is hard but because the analytical value of topic modeling is so hard. Topic modeling has become a kind of go-to…

Topic Stability, Part 2

Topic Stability, Part 2

In my previous post I tried to illustrate how different runs of the same topic modelling process can produce topics that appear to be slightly semantically different from one another. If you keep k and all other parameters constant, but change your initial seed, you’ll…

Topic Modelling Literary Studies: Topic Stability, Part 1

Topic Modelling Literary Studies: Topic Stability, Part 1

I’ve started working with a new data set of ca. 60,000 articles from the field of literary studies published between 1950 and 2010 courtesy of JSTOR. I’ll have more to say about the data set in the coming weeks, but for now I want to…