Publications by Davian Rosales, mktg4000, taught by zhenning Jimmy xu, follow me on Twitter:

Using Regression Analysis for Market Segmentation and Targeting

07.12.2023

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. install.packages("dplyr") ## Installing package into '/cloud/lib/x86_...

814 sym R (2446 sym/15 pcs) 2 img

Using Hierarchical Clustering & PCA for Market Segmentation and Targeting

06.12.2023

Learning objectives By the end of this lab session, you should be able to: 1. Understand how cloud computing works (currently in beta release at the time I am writing this tutorial). 2. Understand how to import your own data to the cloud environment 3. Create descriptive stats to help understand the frequency distributions of your data 4. Understan...

7028 sym R (4249 sym/21 pcs) 1 img

Using Hierarchical Clustering & PCA for Market Segmentation and Targeting

06.12.2023

--- title: "Using Hierarchical Clustering & PCA for Market Segmentation and Targeting" author: "Daivan Rosales for MKTG 4000" date: "12/6/2023" output: html_document editor_options: chunk_output_type: console --- ## Learning objectives By the end of this lab session, you should be able to: **1. Understand how cloud computing works** (**currently...

2585 sym R (10253 sym/21 pcs) 1 img

Fall Data Challenge 2023

15.11.2023

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...

810 sym R (6483 sym/14 pcs) 1 img

Stacked Overflow Challenge 2023

14.11.2023

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...

412 sym R (5789 sym/5 pcs)

Midterm - Exam Part 2 question 2

08.11.2023

title: “Mid-term Exam - Part 2 – Q2” author: “Davian Rosales” date: “11/07/2023” output: html_document editor_options: chunk_output_type: console Null Hypothesis: H0: β1 = 0 Alternative Hypothesis: H1: β1 ≠ 0 First, we will be creating a new variable that has a value of one for each observation at that level and zeroes for a...

1747 sym R (2611 sym/14 pcs) 1 tbl

Midterm - Part 2 Question 1 & 2 Responses

08.11.2023

Question 1: Using dataset “Display_data.csv” We have 30 days of data that tell us how much we spent, how many clicks, impressions and transactions we got, whether or not a display campaign was running, as well as our revenue, click-through-rate and conversion rate. Describe your hypotheses. If we were to make a hypothesis, the hypothesis test...

3999 sym

Midterm - Exam Part 2

07.11.2023

title: “Mid-term Exam - Part 2 – Q1” author: “Davian Rosales” date: “11/07/2023” output: html_document editor_options: chunk_output_type: console 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://rmarkd...

790 sym R (2308 sym/15 pcs) 2 img 1 tbl

Week 10 Discussion - A/B Testing

01.11.2023

#setwd("C:/Users/zxu3/Documents/R/ab_testing") #Please install the following package if the package "readr" is not installed. #install.packages("readr") library(readr) data <- read_csv("ab_testing.csv") ## Rows: 80 Columns: 2 ## ── Column specification ───────────────────────────────...

15 sym R (1842 sym/12 pcs)

A/B Testing

30.10.2023

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...

7348 sym R (2514 sym/14 pcs)