Publications by by Dr. zhenning Jimmy xu, follow me on Twitter:
Tutorial - Using ChatGPT for a simple regression analysis
The syntax used in this example is written using ChatGPT with the follwing prompt: I have a dataset that includes the following variable names:______. Please refer to the dataset above and write some R syntax that allows me to analyze the relationship between ______________ and ________(in my case, I used Percentage_markup and profit from the data...
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Understanding Consumers' Perceptions toward Grocery Stores in Bakersfield
Reference: Xu 2021. Brand/Product Positioning & Perceptual Mapping. Rpubs.com/utjimmyx/brand_positioning Think-pair-share The final perceptual maps (see Figures 3 and 4) are designed to explain the impact of a college degree on people’s perception of grocery stores. Figure 3 represents consumers who have a college degree. Figure 4 represents con...
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Intro to the Marketing Concentration at BPA
class: center, middle, inverse, title-slide .title[ # Intro to the Marketing Concentration at BPA ] .author[ ### Zhenning ‘Jimmy’ Xu, California State University Bakersfield, followe me on Twitter: https://twitter.com/MKTJimmyxu or find me on my website at utjimmyx.github.io ] .date[ ### 2024/03/03 ] --- background-image: url(http...
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Experimental Design & A/B Testing - Analyzing the Relationship between Advertising Exposures and Product Purchase
What is A/B testing? Why do we do it? Design-led companies (Apple, Google, Airbnb, etc.) frequently apply design thinking to design new products (Naiman 2020). A/B testing (also known as split testing or bucket testing) is “a method of comparing two versions of a webpage or app against each other to determine which one performs better.” (Optimi...
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stock analysis
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the...
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How to Perform a Simple Segmentation Analysis Using R
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. Notice: You should not focus on memorizing syntax. Instead, you should focus on how to use R for business reporting purposes (Matt Dancho & David Cu...
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Predictive Model for Los Angeles Dodgers Promotion and Attendance (R)
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. Introduction It is tough to make good predictions. The numerous factors or variables, independent and dependent, involved in many sporting events co...
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Scraping Yahoo Finance Data & Conducting Time Series Analysis with R (R Studio)
R Markdown Description: This meetup is for anyone interested in learning and sharing knowledge about scraping data from Yahoo Finance using R. Yahoo Finance provides a wealth of financial data that can be used for research, analysis, and investment purposes. In this meetup, we will discuss the basics of web scraping, explore the structure of Yahoo ...
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Understanding the Effectiveness of Advertising using t-test
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. #Warm-up activity for fun - can you replace my name with yours using the following functions? paste("Today is", date()) ## [1] "Today is Thu Feb 15 0...
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Scraping Yahoo Finance Data & Google Trends Data and Conducting Time Series Analysis with R (R Studio)
R Markdown In today’s fast-paced and data-driven world, it’s crucial for businesses and individuals to make informed decisions based on reliable and up-to-date information. One way to obtain such information is by web scraping financial data from sources like Yahoo Finance and Google Trends, and conducting time series analysis to reveal insight...
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