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For Curious Data Explorers.
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Whale Graphs Tell: Who Are Our Star Customers?
Whale Graphs Tell: Who Are Our Star Customers?
Business runners may have the common sense that it is exhaustive to treat all customers exactly the same, instead, it is wise to focus on…
Julia Yang
Feb 20, 2021
Linear Regression: Interaction term
Linear Regression: Interaction term
This example is extracted from Lecture 4 notes from BAMA520 winter 2021.
Harry Wang
Feb 21, 2021
Value of Information — An example
Value of Information — An example
Based on what we learned in BAMS517: Decision making under uncertainties , our group created an example to illustrate the concept of ‘…
Harry Wang
Feb 21, 2021
The difference between HAVING and WHERE clause in SQL.
The difference between HAVING and WHERE clause in SQL.
When analysts use querying to pull their desired data, they often use the WHERE clause. The WHERE clause can filter rows that meet the…
Jiayiwu
Feb 21, 2021
Is R squared the higher the better?
Is R squared the higher the better?
Last semester, the group project required us to develop a multiple linear regression model that we think will make the best prediction. We…
Jiayiwu
Feb 20, 2021
Graphs in customer analysis
Graphs in customer analysis
ROC Curve , Cumulative lift chart, cumulative gain chart
Harry Wang
Feb 19, 2021
How to Get the Optimal Policy with MDPtoolbox in R?
How to Get the Optimal Policy with MDPtoolbox in R?
In recent lectures of Decision Analysis under Uncertainties, professor Hao Zhang taught us how to use R code to analyze and solve…
Jiayiwu
Feb 18, 2021
Clinic Staffing Assignment Model with OpenSolver and Gurobi
Clinic Staffing Assignment Model with OpenSolver and Gurobi
As the final project of our optimization class, we developed a set (two) of staffing assignment models for a hypothetically constructed…
Julia Yang
Feb 15, 2021
How to Scatter Plot with Aggregate Data in Tableau
How to Scatter Plot with Aggregate Data in Tableau
In a recent school project we are asked to predict ‘demand’ of Airbnb market against the change of listing prices with a scatter plot…
Julia Yang
Jan 24, 2021
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