Topic Modelling by Group using LDA in R
问题 I am stuck at one problem. I am trying to categorize sentences into topics using LDA. I have done it, however the problem is: LDA is working on whole dataset and giving me topic terminologies across the dataset. I want to get the topic terminologies by group in Dataset. So my data looks like this: Comment Division Smooth execution of Regional Administration in my absence. Well done. Finance Job well done in completing CPs and making the facility available well in time. Finance Good Job