Data
Analysis
Assignment
2
# Last updated: 2015-05-10 by MJG
# Clear workspace
rm(list=ls()
hospital <- read.csv("Hospital.csv")
# Determine structure of data:
str(hospital)
# Generate table with margins, convert data to factors (equivalent to
# generatin

Students Solutions Manual and Study Guide: Chapter 16
Page 1
Chapter 16
Analysis of Categorical Data
LEARNING OBJECTIVES
The overall objective of this chapter is to give you an understanding of two
statistical techniques used to analyze categorical data,

Exam
Name_
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) Suppose that a class of 30 students is assigned to write an essay.
1) Suppose 4 essays are randomly chosen to

PBA 01 Week 1: Assignment PBA Cohort XIII
Submitted By: SHAILESH KAUSHIK
In this week's readings and video, we learned about predictive analytics: what it is, what it is not
and how it is being applied in the business world today. As an analyst, you will

PBA 01 Week 4: Assignment PBA Cohort XIII
Submitted By: SHAILESH KAUSHIK
Objective: Predict Quality ranking of various wines from their chemical properties
The wine industry shows a recent growth spurt as social drinking is on the rise. The pricing of win

Assignment Week 5
Shailesh Kaushik
April 7, 2017
BRIEF DESCRIPTION:
The dataset is a selection of stock prices from telecommunications companies from January 1988 to October
1991. There are ten companies (labeled CompA - CompJ in the dataset) and each row

-title: "Assignment_Week_7"
author: "Shailesh Kaushik"
date: "May 2, 2017"
output:
pdf_document: default
html_document: default
-`cfw_r setup, include=FALSE
knitr:opts_chunk$set(echo = TRUE)
`
*Question 1*
A taste test is conducted using a random sample o

Assignment_Week_7
Shailesh Kaushik
May 2, 2017
Question 1
A taste test is conducted using a random sample of consumers. Consumers are presented with two
beverages in random order and asked which they prefer most. All the consumers expressed a preference.

Assignment Week 5
Shailesh Kaushik
April 10, 2017
BRIEF DESCRIPTION:
The dataset is a selection of stock prices from telecommunications companies from January 1988 to
October 1991. There are ten companies (labeled CompA - CompJ in the dataset) and each ro

Exploratory_Analysis_Assignment_Week6_Iri
s_Data
Shailesh Kaushik
April 24, 2017
BRIEF DESCRIPTION:
The data set contains 3 classes of 50 instances each, where each class refers to a type of iris plant. One
class is linearly separable from the other 2; th

Students Solutions Manual and Study Guide: Chapter 9
Page 1
Chapter 9
Statistical Inference:
Hypothesis Testing for Single Populations
LEARNING OBJECTIVES
The main objective of Chapter 9 is to help you to learn how to test
Hypotheses on single populations

Students Solutions Manual and Study Guide: Chapter 12
Page 1
Chapter 12
Simple Regression Analysis and Correlation
LEARNING OBJECTIVES
The overall objective of this chapter is to give you an understanding of bivariate linear
regression analysis, thereby e

Students Solutions Manual and Study Guide: Chapter 3
Page 1
Chapter 3
Descriptive Statistics
LEARNING OBJECTIVES
The focus of Chapter 3 is the use of statistical techniques to describe data,
thereby enabling you to:
1.
2.
3.
4.
5.
Apply various measures o

Students Solutions Manual and Study Guide: Chapter 2
Page 1
Chapter 2
Charts and Graphs
LEARNING OBJECTIVES
The overall objective of Chapter 2 is for you to master several techniques
for summarizing and depicting data, thereby enabling you to:
1.
2.
3.
4.

Students Solutions Manual and Study Guide: Chapter 5
Page 1
Chapter 5
Discrete Distributions
LEARNING OBJECTIVES
The overall learning objective of Chapter 5 is to help you understand a
category of probability distributions that produces only discrete outc

Students Solutions Manual and Study Guide: Chapter 10
Page 1
Chapter 10
Statistical Inferences about Two Populations
LEARNING OBJECTIVES
The general focus of Chapter 10 is on testing hypotheses and constructing
confidence intervals about parameters from t

Students Solutions Manual and Study Guide: Chapter 8
Page 1
Chapter 8
Statistical Inference: Estimation for Single Populations
LEARNING OBJECTIVES
The overall learning objective of Chapter 8 is to help you understand
estimating parameters of single popula

BST 612
Beasley
Assignment #5
150+ Points
One definition of Hypertension is systolic blood pressure consistently at 140 or higher. A new
medication developed to lower systolic blood pressure was tested on N = 80 hypertensive patients
above the age of 40 y

Assignment_Week_7
Shailesh Kaushik
May 2, 2017
Question 1
A taste test is conducted using a random sample of consumers. Consumers are presented with two beverages
in random order and asked which they prefer most. All the consumers expressed a preference.

PREDICT 401: Introduction to Statistical Analysis Syllabus
Fall 2011
Thom as W . Miller, Ph.D.
[email protected]
Course Description
This course teaches students the fundamentals of conducting statistical analysis and interpreting and evalua

Assignment 2
Decision Tree
Overview:
Our second assignment was to design and implement a decision tree to predict abalone age using the
abalone data set from the UC Irvine machine learning repository. We were also give the option to use
the existing Weka

Analysis of Variance (ANOVA)
I.
Introduction
In Regression, the decomposition of the total sum of squares (SST) into the explained sum of squares
(SSR) and the unexplained sum of squares (SSE) took place in the Analysis of Variance or ANOVA
table. However

REGRESSION ANALYSIS ASSIGNMENT
DUE March 27
Your Assignment:
1.
Using Excel or another program with plotting functions, construct two
XY(scatter) graphs, one for N , one for ln( N ). There will be two curves/lines
on each graph, one for each group. Before

Analyzing Cost Behavior
Part 1: Data Set and High-low method
Enter the following data on a new Excel Spreadsheet and then save the file. Do not enter
commas or dollar signs. Just type in the plain numbers. Once you have typed in the plain
numbers, you can

NAME: _
Optional Regression Analysis Project
DUE Tuesday 4/21/09 at class time
NO LATE ASSIGNMENTS will be accepted under any circumstances
In this exercise, you will examine the determinants of life expectancy by conducting regression analysis of the
agg

Salience Assignment for Multiple-Instance Regression
Kiri L. Wagstaff
[email protected]
Machine Learning and Instrument Autonomy Group, Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109 USA
Te

PREDICT 401: Introduction to Statistical Analysis Syllabus
Summer 2013
Philip M. Goldfeder, Ph.D.
[email protected]
Course Description
This course teaches students the fundamentals of conducting statistical analysis and interpreting and ev

Students Solutions Manual and Study Guide: Chapter 7
Page 1
Chapter 7
Sampling and Sampling Distributions
LEARNING OBJECTIVES
The two main objectives for Chapter 7 are to give you an appreciation for
the proper application of sampling techniques and an un