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Category: Data Analytics

June 24, 2020

Retrieving and Visualizing COVID-19 Statistics from Local Health Authority Website

This code retrieves the daily update data from the Ohio Department of Health to construct a newly confirmed case comparisons of four major counties in Ohio.

March 2, 2020

Installing the latest R and RStudio on a Chromebook

This instruction is based on sellorm.com plus my own trial and error experience. I assume that you are planning to use the Linux environment that came with your Chromebook.

February 8, 2020

Sampling Distribution and Testing Hypothesis

I developed this lecture note spring 2020 using R markdown for the first time. It supports the compilation of R, Markdown, and LaTex code…

Recent Posts

  • Sample Size, Control Distance, and Type I and Type II Errors in Control Charts October 20, 2020
  • Normal Distribution Visualized (Interactive) October 6, 2020
  • “The Area Under the Curve Concept” using Uniform Distribution October 6, 2020
  • Business Statistics Lecture Slide September 8, 2020
  • What could go wrong with a product design? August 13, 2020
  • Essence of Linear Algebra July 21, 2020
  • Data, Histogram, Distribution, and Probability July 21, 2020
  • Tuna Quality Inspection Using AI July 10, 2020
  • From Factory to Market: Distribution Problem (Linear Programming Approach) July 8, 2020
  • Service Level, Fill Rate, and Newsvendor Model July 8, 2020
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