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Methodology upload #2

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Shan-Ding Oct 27, 2016
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# Methodology
Upload your methodology description here

- After discussion with professor we decided to delete all the cases with grade of zero, and cases with unreasonably extreme data
- Then we will change our research aim to find what and how features are correlated with students’ grades for online courses given they finished assignments.
- We have two options of methodology. We decided to compare two methodologies.
- Method 1: More traditional regression model with cross validation
- Method 2: Classification And Regression Tree (CART) analysis or Bayesian

Next week:
Clean the data, do the deletion
Study how to use R to produce Scatter Plots and Correlation Matrix