Publications by Tony Mei

Data 621 HW2

11.10.2020

Data 621 HW2 Tony Mei 10/10/2020 library(tidyverse) ## -- Attaching packages ----------------------------------------------------------------------------------- tidyverse 1.3.0 -- ## v ggplot2 3.3.0 v purrr 0.3.4 ## v tibble 3.0.1 v dplyr 0.8.5 ## v tidyr 1.0.3 v stringr 1.4.0 ## v readr 1.3.1 v forcats 0.5.0 ## -- Co...

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Data 621 HW3

02.11.2020

HW3 Team 1 October 25, 2020 1. Data Exploration The “Neighbourhood crime data” training data set contains 466 rows and 13 columns. The variables are thought to have a positive or negative effect on the crime rate being above median crime rate.Running a summary() function on the data set, we are able to get the mean, median, first and third q...

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Data 621 HW 5

15.12.2020

Data 621 Homework 5 Tony Mei 12/12/2020 Overview Our goal is to explore, analyze and model a data set containing information on approximately 12,000 commercially available wines. The variables are mostly related to the chemical properties of the wine being sold. The response variable is the number of sample cases of wine that were purchased by w...

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Data622 Homework 1

19.02.2021

Data 622 HW1 Tony Mei 2/18/2021 Objective Let’s use the Penguin dataset for our assignment. To learn more about the dataset, please visit: https://allisonhorst.github.io/palmerpenguins/articles/intro.html For this assignment, let us use ‘species’ as our outcome or the dependent variable. 1. Logistic Regression with a binary outcome. The ...

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Data 622 Group 3 Project 3

09.04.2021

R Packages The R language is used to facilitate data modeling. The main R packages used for data wrangling, visualization, and graphics are listed below. # Required R packages library(palmerpenguins) library(tidyverse) library(kableExtra) library(summarytools) library(GGally) library(caret) library(mice) library(dummies) library(Boruta) ...

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Data_622_Homework_2

20.03.2021

Data 622 Homework 2 Tony Mei 3/14/2021 Data Manipulation # load packages library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.0 -- ## v ggplot2 3.3.3 v purrr 0.3.4 ## v tibble 3.0.6 v dplyr 1.0.4 ## v tidyr 1.1.2 v stringr 1.4.0 ## v readr 1.3.1 v forcats 0.5.0 ## Warning:...

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