Publications by Group_Project: Venkata Naga Vamsidhar reddy karasani(vkara4), Anila Cheekati(vchee3), Venkata sai ram tirunagari(Vtiru5) , Pradeep kumar Naidu(Pnaid2), Simhadri Ramanjaneyulu(rsimh3), Subhalaxmi Rout(srout2)

DATA 605 Assign 12

17.11.2020

Data Desciption The attached who.csv dataset contains real-world data from 2008. The variables included follow. Country: name of the country LifeExp: average life expectancy for the country in years InfantSurvival: proportion of those surviving to one year or more Under5Survival: proportion of those surviving to five years or more TBFree: propor...

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DATA 605 Discussion 12

16.11.2020

Question Using R, build a regression model for data that interests you. Conduct residual analysis. Was the linear model appropriate? Why or why not? What is residuals? The residual data of the simple linear regression model is the difference between the observed data of the dependent variable y and the fitted values \(\hat y\). The residuals f...

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DATA 605 Discussion 11

08.11.2020

Salary of employees based on their Years of working experience. Download the dataset from kaggle using below link. https://www.kaggle.com/karthickveerakumar/salary-data-simple-linear-regression There are only two columns in the dataset i.e YearsExperience and Salary. Both column type is double. The Shape of the DataSet is 30*2. There are 30 rows...

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DATA 605 Assignment 10

02.11.2020

Smith is in jail and has 1 dollar; he can get out on bail if he has 8 dollars. A guard agrees to make a series of bets with him. If Smith bets A dollars, he wins A dollars with probability .4 and loses A dollars with probability .6. Find the probability that he wins 8 dollars before losing all of his money if he bets 1 dollar each time (timid ...

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DATA 605 assignment 11

09.11.2020

Instruction Using the “cars” dataset in R, build a linear model for stopping distance as a function of speed and replicate the analysis of your textbook chapter 3 (visualization, quality evaluation of the model, and residual analysis.) Steps to follow: Visualize the Data The Linear Model Function Evaluating the Quality of the Model Residual...

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DATA 621 - Abstract

18.11.2020

Abstarct HR Analytics finds out the people-related trends in the data and helps the HR Department take the appropriate steps to keep the organization running smoothly and profitably. Attrition is a corporate setup is one of the complex challenges that the people managers and the HRs personnel have to deal with it. In this research assignment, we ...

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Home Work 4

18.11.2020

HW 4 Matthew Baker, Erinda Budo, Don Padmaperuma, Subhalaxmi Rout 11/21/2020 OVERVIEW In this homework assignment, you will explore, analyze and model a data set containing approximately 8000 records representing a customer at an auto insurance company. Each record has two response variables. The first response variable, TARGET_FLAG, is a 1 or a...

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DATA 605 - Assignment 13

21.11.2020

SRout Assignment 13 1. Use integration by substitution to solve the integral below. \[ \int{4e^{-7x}dx}\] Solution Note: \(\int{e^u du} = e^u\) \[ \int{4e^{-7x}dx}\] Lets v = -7x dv = dx substitute this below: \[ \int{4e^{-7x}dx} = 4\int{e^{v}dv} = {4}e^{v} + C = -\frac{4}{7}e^{-7x} + C \] 2. Biologists are treating a pond contaminated with...

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Discussion 14

26.11.2020

SRout Discussion 14 The roots of f(x) are known or are easily found. Use 5 iterations of Newton’s Method with the given initial approximation to approximate the root. Compare it to the known value of the root. f(x) = x2 + x - 2, x0 = 0 Solution f(x) = x2 + x - 2, x0 = 0 f’(x) = 2x + 1 \[x1 = x0 - \frac {f(1)} {f ′(1)} = 0 - \frac {x^2 + ...

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Discussion - 15

27.11.2020

Discussion 15 Subhalaxmi Rout 2020-11-27 Gives the nth term of the Taylor series of common functions. Verify the formula given in the Key Idea by finding the first few terms of the Taylor series of the given function and identifying a pattern. 4. f(x) = sin x; c = 0 Solution Formula for a Taylor Series Expansion: \[f(x) = \sum_{n=0} ^ {\in...

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