Thanks for presenting! I am wondering how to justify the variation in the pinning volume across the years, and why it is necessary to oversample 2012. Furthermore, given that LDA is an unsupervised learning method, how do you determine the number of principal topics to be used.
Thanks for presenting! I am wondering how to justify the variation in the pinning volume across the years, and why it is necessary to oversample 2012. Furthermore, given that LDA is an unsupervised learning method, how do you determine the number of principal topics to be used.