A Handbook of Statistical Analyses
Using R
Brian S. Everitt and Torsten Hothorn
CHAPTER 4
Analysis of Variance: Weight Gain,
Foster Feeding in Rats, Water
Hardness and Male Egyptian Skulls
4.1 Introduction
4.2 Analysis of Variance
4.3 Analysis Using R
4.3
Newsom
Data Analysis II
Fall 2012
1
Logistic Regression
Overview: Logistic and OLS Regression Compared
Logistic regression is an approach to prediction, like Ordinary Least Squares (OLS) regression.
However, with logistic regression, the researcher is pre
CSSS 508: Intro to R
3/03/06
Logistic Regression
Last week, we looked at linear regression, using independent variables to predict a
continuous dependent response variable.
Very often we want to predict a binary outcome: Yes/No (Failure/Success)
For examp
Association Analysis,
Logistic Regression,
R and S-PLUS
Richard Mott
http:/bioinformatics.well.ox.ac.uk/lectures/
Logistic Regression in Statistical
Genetics
Applicable to Association Studies
Data:
Binary outcomes (eg disease status)
Dependent on geno
Using R for Linear Regression
In the following handout words and symbols in bold are R functions and words and symbols in italics are entries supplied by the user; underlined words and symbols are optional entries (all current as of version R-2.4.1). Samp
Statistics 191:
Introduction
to Applied
Statistics
Jonathan
Taylor
Department of
Statistics
Stanford
University
Statistics 191: Introduction to Applied Statistics
Simple Linear Regression: Diagnostics
Jonathan Taylor
Department of Statistics
Stanford Univ
Some useful graphic tools in R
Renee X. de Menezes
R Users Group - 7th February 2006
Example 1: Legend
Legends can be included in all sorts of graphs
Here we wish to include them in a densities graph of normalized
chips
R Users Group - 7th February 2006
Getting Started in
Linear Regression using R
(with some examples in Stata)
(ver. 0.1-Draft)
Oscar Torres-Reyna
Data Consultant
[email protected]
http:/dss.princeton.edu/training/
R
Stata
Using dataset Prestige*
Used in the regression models in the fol
Logistic Regression
Chapter 8
Aims
When and Why do we Use Logistic
Regression?
Binary
Multinomial
Theory Behind Logistic Regression
Assessing the Model
Assessing predictors
Things that can go Wrong
Interpreting Logistic Regression
Slide 2
When And
Convex Optimization Boyd & Vandenberghe
1. Introduction
mathematical optimization
least-squares and linear programming
convex optimization
example
course goals and topics
nonlinear optimization
brief history of convex optimization
11
Mathematical o
What is a CUSUM Chart and When Should I Use One?
Steven Wachs
Principal Statistician
Integral Concepts, Inc.
Copyright 2010 Integral Concepts, Inc.
Introduction
In previous articles, we discussed the advantages that Xbar charts have over
Individuals chart
Package outliers
February 15, 2013
Version 0.14
Date 2011-01-23
Title Tests for outliers
Author Lukasz Komsta <[email protected]>
Maintainer Lukasz Komsta <[email protected]>
Depends R (>= 2.0)
Description A collection of some tests commonly use
Principal Component Analysis using R
November 25, 2009
This tutorial is designed to give the reader a short overview of Principal Component Analysis (PCA)
using R. PCA is a useful statistical method that has found application in a variety of elds and is a
The Condition Number for a Matrix
James Keesling
1
Condition Numbers
In the section we outline the general idea of a condition number. The condition number
is a means of estimating the accuracy of a result in a given calculation. The simplest way
to conve
1
Exercise: Patch release problem
MicrobeSoft, a NoWhere based Software company released their latest OS Scape, just before Christmas holidays.
It was found immediately that it was full of bugs like any of their products. Since most the development team w
International Institute of Information Technology, Bangalore
Professor G.N.S Prasanna
Questions on Computer Architecture (coupled with Algorithms)
1. Consider a 1 Core 32 bit machine running at 4 ghz. Find the time it will take to
compute the following:
1
Queuing Theory
Introduction
Queuing
theory provides a
mathematical basis for understanding
and predicting the behavior of
communication networks.
It
is extremely useful in predicting and
evaluating system performance.
Queuing
theory has been used for
oper
CS 101: ALGORITHMS ASSIGNMENT
International Institute of Information Technology, Bangalore
Faculty: Prof. G.N.S. Prasanna
NOTE: Either Submit .m file or snapshot for these questions.
1. Consider MH1 hostel building of IIIT Bangalore with the rooms as show
Chapter 24
Logistic Regression
Content list
Purpose of logistic regression
Assumptions of logistic regression
The logistic regression equation
Interpreting log odds and odds ratio
Model t and likelihood function
SPSS activity a logistic regression analysi