Publications by Zhengxiao Wei, Farouk S. Nathoo, Michael E. J. Masson
Zhengxiao Wei_ANLY 699-90-O/Week 7
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/615149 Source: https://zhuanlan.zhihu.com/p/37856153 Goals In this assignment you will be working with dataset from your 699 project. You will perform cluster analysis...
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Zhengxiao Wei_ANLY 699-90-O/Week 5
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/605300 Data source: Yahoo Finance Goals In this assignment you will be working with dataset from your 699 project. You will run a regression model. Submission Format ...
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Zhengxiao Wei_ANLY 699-90-O/Week 4
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/601675 Data source: Yahoo Finance Goals In this assignment you will be working with dataset from your 699 project. You will perform missing data analysis. Read Chapter...
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Zhengxiao Wei_ANLY 699-90-O/Week 3
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/597131 Data source: Yahoo Finance Visual Exploration of Your Data In this assignment you will be working with the data that you have collected for your Final Project. ...
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Zhengxiao Wei_ANLY 530-53-B-2019/Late Fall_Project [final]
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/570470 Data source: https://www.kaggle.com/sherloconan/anly-53053b Decision Tree (C5.0) Random Forest Decision Tree (rpart) Naïve Bayes Classifier Linear SVM Polynomi...
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Zhengxiao Wei_ANLY 530-53-B-2019/Late Fall_Project
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/570366 Continued on: https://rpubs.com/sherloconan/625258 Data source: https://www.kaggle.com/sherloconan/anly-53053b Reference: https://www.aeaweb.org/articles?id=10.1...
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Zhengxiao Wei_ANLY 530-53-B-2019/Late Fall_Lab 2
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/562038 Data source: https://www.kaggle.com/sherloconan/anly-53053b 1. Naïve Bayes Classifier Question 1: Report the number of missing values in the dataset. An...
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Zhengxiao Wei_ANLY 530-53-B-2019/Late Fall_Lab 1
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/557644 Data source: https://www.kaggle.com/sherloconan/anly-53053b 1. Tree-based Classification Question 1: If you see an accuracy of 100%, what does it mean? Does...
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Zhengxiao Wei_ANLY 530-53-B-2019/Late Fall_Lab 3
============================================================================================================ About: This document is also available at http://rpubs.com/sherloconan/562805 Data source: https://www.kaggle.com/sherloconan/anly-53053b 1. k-Means Clustering Question 1: Given this is an imperfect real-world, you need to determine w...
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Zhengxiao Wei_ANLY 525-50-B/Week 9
Simulation in R In class we have talked about computational methods and introduced the idea of modeling and simulation. We discussed how many levels of uncertainty and complex interactions make systems challenging to predict and understand. One approach to deal with uncertainty, such as in the expected cost example, is to run repeated simulations...
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