Infer.NET user guide : Tutorials and examples :Latent Dirichlet Allocation

TestLDA project

The LDA example code comes with a test project which shows the following:

• How call all forms of the LDA model (standard/shared and dense/sparse)
• Timing and memory estimates for the different options
• Utility to generate data for testing LDA models
• Utility to calculate Perplexity

Please refer directly to the code for further details.