Sheng Jiang
Summary of the diverse applications of probabilistic record linkage
The mean idea of the talk diverse applications of probabilistic record linkage
is the classical usage of probabilistic r
STATISTICS 2331
FALL 2017
GRAPHICAL SUMMARIES
Types of Information
Variables characteristics of the cases we want to
study
Qualitative or Categorical Variables groups or
categories
Hair color, gend
CLASSIFICATION PART 1
Logistic / Multinomial
Decision Trees
MENTAL HEALTH DATA
Lets Check Out Some Binary Data
MENTAL HEALTH DATA
We can do a little more.
Classification / Confusion Matrix
Confusion M
Spring 2017
Buxton Challenge
Buxtons Approach
WHO
We define WHO your best potential customers are
WHERE
We identify WHERE your best potential customers are found
VALUE
We tell you the VALUE of your be
HW 6: Chapter 20 and Propensity Scores
1. The Donner Party was a group of American pioneers led by George Donner and James F. Reed who set out for
California in a wagon train in May 1846. They were de
HW 5: Chapter 18
1.
A. Donald Trump is the President of the United States. A recent poll shows Trump appears to be to have
a 36% approval rating in the country as a whole. The survey is taken from pho
HW 7
1. Consider again the Kaggle data set on Housing from Project 1. In this data set there is a
variable called CentralAir and is a dichotomous variable that indicates if a house has a
central air c
Chapter 1: Introduction to data
Yingbo Li
Southern Methodist University
STAT 2331
Yingbo Li (SMU)
Ch 1: Introduction to data
STAT 2331
1 / 82
Outline
1
Data basics
2
Overview of data collection princi
Name.
Lab section
Practice Exam 1, STAT 2331
Please do all questions.
1. Which of the following statements is ALWAYS TRUE?
a. The sample median is more sensitive to extreme values than the mean.
b. T
Study Guide for Final Exam
SPAN 2401
Fall 2016
The final exam is comprehensive, i.e. covers all material from Chapters 12-18. As with any Spanish exam,
everything we learn builds on material previousl
Name.Lab section
Practice exam questions, exam 2, STAT2331
Multiple Choice:
1) A home monitoring company claims to be able to respond to alarms on average in
5 mins. A random sample of 50 alarm incide
Name
Practice exam 3 QUESTIONS, STAT2301
Please do all questions.
Multiple choice (please select one answer only)
1) Suppose a 95% confidence interval for the true proportion (p) of people who say the
Practice Exam 2, STAT2301, Spring 2016.
Multiple Choice:
1) Which of the following is a false statement concerning the Central Limit Theorem?
(a) if n is large then the sampling distribution of the sa
Chapter 15 Sampling Distributions
Chapter 15 Contents:
- Parameters and Statistics
- Statistical Estimation and the Law of Large Numbers
- Sampling Distributions
- The Sampling Distribution of 3c
- Th
Practice Test
Provide a definition or equation for all equations, clearly identify variables.
1. P-value:
The probability of observing a result, by random chance, as extreme or more
extreme than what
Kait Willis
Homework Assignment #1
Jan. 26, 2016
Problem 2: Test the claim that the mean math score is equal to 50. Write all
6 steps.
The histograms and qq plots provide do not provide enough evidenc
d.)Stepwise Regression
e.)Lasso:
Internal validation: you can select variables. The CV PRESS helps you identify
which variables go into the model
note: notice no C.I for LASSO, and only provides bette
HW 3 Jessica Robertson
Instructions: All plots except Step 2 plots must be computer generated and placed in a Word
document. In addition, all HW and results must be typed and placed in the same word
d
STAT 5371 HW 4 Jessica Robertson
I would like for this class to allow you to practice preparing professional looking reports. For this
reason, for HW 4 we will require all reports to be typed and all
STAT 5371: HW 2 Jessica Robertson
1. (5 pts) Read Chapter 1 and Chapter 2. Its a good read and VERY informative.
2. (2 pts)What are the assumptions of the one sample t-test?
a. Both distributions are
STAT 5371: HW 5 Jessica Robertson
1. Answer the Conceptual Questions in the book for Chapter 5. You do not need to write anything
for this problem.
2. Problem 18.
a.
b)
At a alpha=0.05 significance le
HW 7: STAT 5371: Chapter 7 and 8 Jessica Robertson
1. Problem 27 Chapter 7
a. You can find the data for this problem on BlackBoard under the HW7 Item in Course
Documents / Homework (Male Display Data
THE DOUBLE QUIZ! SPRING 2015 VERSION B
IBM is composed of thousands of branch offices that each have their own budgets and managers. I
study of a random sample of 6 of these branches yielded the data