Regression

Introduction Lead (Pb) contamination is a pervasive issue in many low-income neighborhoods throughout the United States. The toxicity of lead poses significant risks to human health, and proves to be especially harmful for children in terms of cognitive and physical development. Lead in the environment is primarily related to a legacy of anthropogenic sources including leaded gasoline, leaded paint, and various industrial applications. Although the presence of heavy metals is ubiquitous in the…

Oasis Inc wants to earn enough revenue to create their newest heated luxury massage chair:The Tranquility 5000. However, the company needs to estimate the equilibrium price and quantity in order to find the optimal retail price needed to create this launch. This report will provide concrete analysis on the prices. The beginning of the analysis focused on the demand data. The demand included a range of prices and the quantity demand of n=110 test weeks. This can bee seen on Figure 1, which…

Simmons and Sutter examined the impact of the installation of Doppler radar on the quality of tornado warnings and occurrence of tornado casualties. The researchers provided information on what Doppler radars were used, such as the Next Generation Radar (NEXRAD) and WSR-88D radars. The NEXRAD radar system has 159 radars in the United States (U.S.) and overseas, as well as 121 radars installed at National Weather Service (NWS) Weather Forecast offices. The NEXRAD system is used to monitor and…

Solution: This is supervised learning case study where dependent outcome is known. Using this variable we can able to estimate the probability of dependent variable outcome by logistic regression technique. To do so I have done feature selection using Least Absolute Shrinkage and Selection Operator (LASSO) and estimate the probability of each account holder delinquency. • Using LASSO technique, Current Balance, Home Price Index Ratio, Updated…

As a Korean-American lesbian, I often wondered how other people of marginalized identities understand their sense of belonging in the larger society. I had not yet developed my sociological imagination to critically examine how larger social structures shape the ways people understand their social worlds. Now, my sociological training allows me to develop the theoretical, methodological, and organizational approaches necessary to explore how marginalized individuals navigate society,…

The only REIT (Real Estate Investment Trust) in the S&P 100 Index is a self-administered and self-managed largest mall landlord in the United States. Simon Property Group, Inc (NYSE: SPG) established in Indianapolis, Indiana, during 1993 when the shopping center division of Melvin Simon & Associates became a publicly-traded company that owns, develops, manages, leases and acquires primarily regional malls and community shopping centers. With a market cap of $60.8 billion, they are more than…

STUDY VARIABLES Predictor variables: The predictor variables were composed of a heterogeneous set of variables that were grouped into the 5 different categories: surgeon demographics, subject demographics, anesthesia risk factors,, procedure-related, and anesthetic medications. Surgeon demographic variables included age, sex, degree-status (single- or dually-qualified), board certification status (board-certified yes or no) and census region (midwest, northeast, south, west). Subject…

not agree with Asiaphoria and claim that growth rate of the Asian Giants’ GDP will decrease. To start with, Pritchett and Summers argued that when predicting past performance should not be used to predict the future performance and proposed the regression to mean model which is empirically…

prepared from the Bradford Protein Assay standards was found to have a linear regression of y = 2.2184x + 0.0626 as shown in Figure 1. The absorbances of the liver, muscle, and adipose tissue were used to determine the protein concentrations of the samples. The percent protein was found to be 15.64% in liver tissue, 4.13% in muscle…

or DUI. Other offense included prostitution or other offenses not listed. As drug and alcohol offenses were the most commonly reported offense (52.2%), researchers used this variable as the contrast and included the other three variables in the regression model. To conclude, researchers accounted for prior incarcerations and prior convictions as they possibly influenced family relationships upon release. Individuals were asked to report the total number of prior prison or state jail terms they…