Publications by by Dr. zhenning Jimmy xu, follow me on Twitter:
Research Design
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. Research design - Basics H0- Null hypotheses use as basis for argument but has not yet proven, no difference prediction (all equal). H1 - Alternat...
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Understanding the Effectiveness of Advertising usint 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 Tue Feb 16...
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From Data to Pixels
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. R kandinsky Ever heard about painted data? You can be an artist while working as a data scientist! Data Paintings is a Rstats package that turns t...
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Regression analysis - Predictive Model for Los Angeles Dodgers Promotion and Attendance
################################################################################ ## Predictive Model for Los Angeles Dodgers Promotion and Attendance (R) ## by Dr. Jimmy (Zhenning) Xu, ## follow me on Twitter https://twitter.com/MKTJimmyxu ################################################################################ In...
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Twitter sentiment analysis - insights from the hashtag #auntjemima
Part 3 - Collecting and visualizing Tweets library(dplyr) ## Warning: package 'dplyr' was built under R version 3.6.3 ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union # text...
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Bivariate analysis for marketing managers
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. Note: this analysis was performed using the open source software R and Rstudio. Objective The objective of this tutorial is to explain how bivaria...
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Trade area analyis and logistics planning using Mapbox
Introduction This tutorial (case study) is built using R and the Mapbox api. In this case study, you will find the trade area available for the CSUB community and identify logistics solutions (e.g.,last-mile delivery solutions) or retail opportunities using Mapbox. You can do more with Mapbox. For instance, Uber is partnering with Mapbox to desig...
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