topic-modelling | Workshop on Topic Modelling | Topic Modeling library
kandi X-RAY | topic-modelling Summary
kandi X-RAY | topic-modelling Summary
This repository contains code examples for the workshop What are they talking about? Mining topics in documents with topic modelling and Python.
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Trending Discussions on topic-modelling
QUESTION
I have written my code to create a scatter plot with a color bar on the right. But the color bar does not look right, in the sense that the color is too light to be mapped to the actual color used in the plot. I am not sure what is missing or wrong here. But I am hoping to get something similar to what's shown here: https://medium.com/@juliansteam/what-bert-topic-modelling-reveal-about-the-2021-unrest-in-south-africa-d0d15629a9b4 (about in the middle of the page)
...ANSWER
Answered 2022-Mar-24 at 22:20The colorbar uses the given alpha=.3
. In the scatterplot, many dots with the same color are superimposed, causing them to look brighter than a single dot.
One way to tackle this, is to create a ScalarMappable
object to be used by the colorbar, taking the colormap and the norm of the scatter plot (but not its alpha). Note that simply changing the alpha of the scatter object (scatter.set_alpha(1)
) would also change the plot itself.
QUESTION
So I have a data in json file which i never worked before.When I load and try print the data by index like print(data[0])
I got and warning
ANSWER
Answered 2021-Oct-04 at 04:19This is expected behaviour. In JSON, object keys are always strings. The integer 0
is not a valid key. Integers are only valid for accessing JSON arrays.
QUESTION
I try to use the coherence metric calculation as reported [here][1].
I work with quanteda so I have a dfm
However in the link the use a dtm: #create DTM
...ANSWER
Answered 2021-Apr-17 at 19:26You want convert()
. e.g.
QUESTION
I am trying to apply the latent dirichlet allocation algorithm to a .csv file retrieved from twitter data.
Currently I run across the error:
...ANSWER
Answered 2021-Feb-24 at 20:45I believe you want to select the top 10 words and you are using a wrong syntax. You are only selecting the word ranked 10 which is not iterable. Change line 261 to this to select the top 10 instead of only selecting the 10th:
QUESTION
I have the following topic modelling script to assign topic categories to a variety of documents.
The documents are imported through Power BI via df = dataset['Comment']
ANSWER
Answered 2020-Jul-30 at 21:49The issue is related to the way datasets are imported in the Power BI Query Editor using Python. To fix the issue, import the data via:
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