Publications by by Dr. zhenning Jimmy xu, follow me on Twitter:
Geomarketing - Visualizing and Understanding Dunkin’ Donuts’ Location strategy
Geomarketing with R This tutorial is a basic geomarketing application developed using R and the Leaflet package available in the R environment. You’ll be able to develop a basic interactive map and get it embedded to your own web repository for geomarketing purposes. ## Data source: We will be using the free data source available from the ArcG...
3290 sym R (707 sym/8 pcs)
Chi-squared test for association in R - what factors affected those who survived
The statistical significance of beer and a list of statisticians behind the ‘6 sigma’ business management William Gosset (13 June 1876 – 16 October 1937) was an English statistician, chemist and brewer who served as Head Brewer of Guinness and Head Experimental Brewer of Guinness and was a pioneer of modern statistics. You have probably hea...
4932 sym R (2881 sym/22 pcs)
Conjoint analysis
Example - identifying determinates of consumers’ choice of specific brands and types of tea a store should stock Q1 - Which kind of tea would customers prefer? Q2 - Which kind of tea should the store stock? ## ## Call: ## lm(formula = frml) ## ## Residuals: ## 1 2 3 4 5 6 7 8 9 ...
648 sym R (7890 sym/16 pcs)
Presentation - Topic modeling1
Exploring the Sugar Tax Debate on Reddit and Twitter: A Sentiment Analysis Approach Zhenning Xu 02.27.2020 Site:rpubs.com/utjimmyx 1 Research questions What sugar-tax-related topics do people discuss on Twitter and Reddit? How can we identify different sugar-related topics that people talk about? “Sin” tax toward sugary drinks - do pe...
4168 sym 11 img
Presentation - Topic modeling
Exploring the Sugar Tax Debate on Reddit and Twitter: A Sentiment Analysis Approach Zhenning Xu 02.27.2020 Site:rpubs.com/utjimmyx 1 Research questions What sugar-tax-related topics do people discuss on Twitter and Reddit? How can we identify different sugar-related topics that people talk about? “Sin” tax toward sugary drinks - do pe...
4163 sym 10 img
Presentation - Topic modeling1
Exploring the Sugar Tax Debate on Reddit and Twitter: A Sentiment Analysis Approach Zhenning Xu 02.27.2020 1 Research questions What sugar-tax-related topics do people discuss on Twitter and Reddit? How can we identify different sugar-related topics that people talk about? “Sin” tax toward sugary drinks - do people like it or not? How ...
3958 sym 10 img
Fall 2019 wrapup
################################################################################ ## Course wrap-up (Fall 2019) ## by Dr. Jimmy (Zhenning) Xu, ## follow me on Twitter https://twitter.com/MKTJimmyxu ## or visit my Rpubs repository http://rpubs.com/utjimmyx #########################################################################...
11823 sym R (355 sym/1 pcs) 5 img
Using Cluster Analysis for Market Segmentation
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: The dplyr package is not stable recently.See my Tweet about this:https://twitter.com/MKTJimmyxu/status/1253752342333153281. That said, whe...
2617 sym R (3659 sym/20 pcs) 3 img
Avocado Pricing at Retail
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 basic project is to explain the pr...
4304 sym R (11604 sym/27 pcs) 5 img