Your First Test






     

    Course Description

    In this tutorial of Your First Test, we will discuss applying all the steps that was applied on the train set to the test set as well.

    What You'll Learn

      >  Pre-processing new, unseen textual data to allow for predictions from our trained model.

      >  The importance of caching the IDF values calculated from the training data set to TF-IDF new, unseen, pre-processed data.

      >  Performing SVD projections of new, unseen, pre-processed textual data into the latent semantic space.

      >  Creating predictions and evaluating model effectiveness in the context of accuracy, sensitivity, and specificity.



     

    Text Analytics tutorial slides can be accessed here

    Download R here

    SMS Spam Collection Dataset used in this tutorial can be accessed here




     

    Data Science Dojo Instructor - Data Science Dojo is a paradigm shift in data science learning. We enable all professionals (and students) to extract actionable insights from data.