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Assignment 3
Question 1 data('mtcars') cor.test(mtcars$mpg , mtcars$wt) ## ## Pearson's product-moment correlation ## ## data: mtcars$mpg and mtcars$wt ## t = -9.559, df = 30, p-value = 1.294e-10 ## alternative hypothesis: true correlation is not equal to 0 ## 95 percent confidence interval: ## -0.9338264 -0.7440872 ## sample estimates: ## cor ## ...
26 sym R (1359 sym/9 pcs)
BI Tools
Lecture 2: Tools and Technologies in BI Illya Mowerman, Ph.D. Introduction Business Intelligence (BI) relies on various tools and technologies to analyze and visualize data. This lecture introduces key BI tools: R, R-Studio, Tableau, Power BI, and Python. We will compare their applications and learn how to set up a development environment. Intr...
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DATA 6540 - Module 1
Business Intelligence and Data Storytelling Transforming Data into Actionable Insights Illya Mowerman, Ph.D. What is Business Intelligence? “Business Intelligence is the technology-driven process of analyzing data to make informed business decisions” Data collection and integration Analysis and visualization Reporting and dashboarding Per...
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Assignment 9
Objective In this assignment, you will analyze employee attrition data using chi-square tests and visualization techniques in R. For each chi-square test, interpret the results, both in technical and in non-technical terms, and create the appropriate graph. Data The dataset contains information about employees, including their satisfaction levels,...
2038 sym R (950 sym/4 pcs)
HR LR Model
library(readr) library(tidyverse) library(plotly) df <- read_csv("~/Library/Mobile Documents/com~apple~CloudDocs/Fairfield University/Fall 2024/DATA 6520/Assignments/Group/HR_comma_sep.csv") %>% mutate(employee_status = ifelse(left == 1 , 'Left' , 'Stayed') , work_accident = ifelse(Work_accident == 1 , 'Yes' , 'No') , promotio...
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HR Analysis - Small Data - Human Version
Analysis of Employee Attrition Drivers Illya Mowerman, Ph.D. Introduction This analysis explores the drivers of employee attrition using HR data including: Satisfaction levels Performance evaluations Number of projects Working hours Tenure Other workplace factors Exploratory Data Analysis - Numerical Variables Key observations: Satisfaction s...
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HR Analysis - Small Data - AI Version
Analysis of Employee Attrition Drivers AI Version Illya Mowerman, Ph.D. Introduction This analysis explores the drivers of employee attrition using HR data including: Satisfaction levels Performance evaluations Number of projects Working hours Tenure Other workplace factors Exploratory Data Analysis - Numerical Variables Key observations: Sat...
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