Midterm 1
STAT 5601
Fall 2010
This paper contains 40 points. Show the details of your calculations for full credit. Name: SID: Consider the following data: 7, 10, 6, 6, 3, 10, 19. 1. Obtain the empirical distribution function (edf) based on the above data
Group 10 comments
This group gives a presentation in difference of female and males life expectancy
among each country using different factor like GNP, birth rate, death rate and infant
deaths to predict their model and testify their hypothesis. They use
Group 9 comments
This group doing a presentation about the NO2 concentration in the United States.
They gives a full detail introduction to their presentation, which makes the background
and their purpose of the presentation easy to understand. This group
38
PLUG-IN PRINCIPLE
(b) Compare problems 4.3.?' and 3.5b, and conclude that
the observed frequencies fk are not independent of each
other.
(c) Say in words why the observed frequencies aren't independent.
CHAPTER 5
Standard errors and estimated
standard
Bootstrap Resampling
Nathaniel E. Helwig
Assistant Professor of Psychology and Statistics
University of Minnesota (Twin Cities)
Updated 16-Oct-2015
Nathaniel E. Helwig (U of Minnesota)
Bootstrap Resampling
Updated 16-Oct-2015 : Slide 1
Copyright
Copyright
Basic Smoothing Problems
Nathaniel E. Helwig
Assistant Professor of Psychology and Statistics
University of Minnesota (Twin Cities)
Updated 6-Nov-2015
Nathaniel E. Helwig (U of Minnesota)
Basic Smoothing Problems
Updated 6-Nov-2015 : Slide 1
Copyright
Cop
STAT 5601
Homework 2:
Fall 2015
Due October 2 by 5:00pm
For this assignment, you will need Nonparametric Statistical Methods, 3rd edition (NSM3).
Exercise 1
We will use data from Table 3.3, which can be downloaded from the course website.
(a) Perform a Wi
STAT 5601
Homework 3:
Fall 2015
Due October 16 by 5:00pm
For this assignment, you will need Nonparametric Statistical Methods, 3rd edition (NSM3).
Exercise 1
We will (re)use data from Table 4.3, which can be downloaded from the course website.
Assume that
STAT 5601
Homework 4:
Fall 2015
Due November 6 by 5:00pm
For this assignment, you will need An Introduction to the Bootstrap (see Moodle).
Exercise 1
In your own words, complete problem 4.1 from An Introduction to the Bootstrap.
Exercise 2
In your own wor
STAT 5601
Homework 6:
Fall 2015
Due December 4 by 5:00pm
Exercise 1
We will use the mtcars data set in R. Use the following commands
> data(mtcars)
> ?mtcars
to load the data and access the data help file.
(a) Make a scatterplot of the cars horsepower (x-
STAT 5601
Homework 5:
Fall 2015
Due November 20 by 5:00pm
For this homework, we will determine which chemical characteristics make a good red wine.
You will need the red wine quality data set, which is available on Moodle. The dataset
consists of quality
Nonparametric Location Tests: One-Sample
Nathaniel E. Helwig
Assistant Professor of Psychology and Statistics
University of Minnesota (Twin Cities)
Updated 24-Aug-2015
Nathaniel E. Helwig (U of Minnesota)
Nonparametric Location Tests: One-Sample
Updated 2
Nonparametric Independence Tests
Nathaniel E. Helwig
Assistant Professor of Psychology and Statistics
University of Minnesota (Twin Cities)
Updated 25-Aug-2015
Nathaniel E. Helwig (U of Minnesota)
Nonparametric Independence Tests
Updated 25-Aug-2015 : Sli
Group 13 comments
This group makes a brief presentation about the difference between the sizes of the
planets, and reach a conclusion that there exists a significant difference between large
and small planet. They perform different nonparametric methods t
Group 11 comments
This group make an excellent presentation about the factors affecting sleep
duration in mammals. They made a clean histogram to show the assumption of
normality and constant. They perform both parametric and non-parametric methods to
con
Midterm 2
STAT 5601
Fall 2010
This paper contains 40 points. Show the details of your calculations for full credit. Name: SID: In the following, interpret the questions in terms of R commands. 1. State in 1 short paragraph what the following function does
c Ansu Chatterjee
Stat5601
1
Take home exam 1
Stat5601
October 25, 2010
1. This project is to be done individually, not in groups.
2. You have to e-mail me and cc a copy to Yi of a typed report, which should
include all the graphs, tables and whatever els
Take home exam (for undergraduate students only)
Stat5601- Fall 2012
November 9, 2012
1. This project is to be done individually, not in groups.
2. You have to e-mail to Yuwen ([email protected]) and me ([email protected])
a typed report, which should inclu
STAT 5601
Homework 5
Exercise 1
(a) Randomly sample n = 50 observations from a Uniform[0,1] distribution with random
number seed set.seed(1), and use bootstrap resampling to obtain the standard error
of the sample mean. Plot a histogram of the bootstrap d
Bootstrap Condence Intervals
Nathaniel E. Helwig
November 1, 2015
1
Bootstrap Overview
iid
Suppose x = (x1 , . . . , xn ) with xi F (x) for i cfw_1, . . . , n, and we want to make inferences
about some population parameter = t(F ) using some sample statis
Nonparametric Dispersion and Equality Tests
Nathaniel E. Helwig
Assistant Professor of Psychology and Statistics
University of Minnesota (Twin Cities)
Updated 25-Aug-2015
Nathaniel E. Helwig (U of Minnesota)
Nonparametric Dispersion and Equality Tests
Upd
Group 4 comments
This groups presentation in general is good, the length is a little over time, so there
is a rush in conclusion part. The main focus for this group is testing whether there exists
an association between intergenerational income mobility a
Group 5 comments
This group gives a presentation on the student performance. They test their
hypothesis and shows that there exists a relationship between the performances on the
students first midterm and the final grade of the students. They check the f
Group 7 comments
In general, this group gives a good presentation using the nonparametric method
model for testing the urban and rural effects on citizens health condition in China. They
test their hypothesis using different nonparametric methods that lea
Group 3 comments
This group makes a brief presentation about real effects of fair values accounting
from the evidence of banks investment. They perform different nonparametric methods
to test their hypothesis that fail value accounting induced volatility
Group 8 comments
The advantage for this group is that this group gives a nice and clean presentation
in the environment problem which related to the heating and the cooling load with the
numbers of windows. Their slides looks really clean and easy to foll
Group 2 comments
This group gives a wonderful presentation on the Walmart sales forecasting using
nonparametric methods. They presents everything in details like the data source and
testing methods. They combines nonparametric methods and linear regressio
Nonparametric Location Tests: k -Sample
Nathaniel E. Helwig
Assistant Professor of Psychology and Statistics
University of Minnesota (Twin Cities)
Updated 25-Aug-2015
Nathaniel E. Helwig (U of Minnesota)
Nonparametric Location Tests: k -Sample
Updated 25-