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Studies op de University of Waterloo (UW )
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Accounting and Financial Management 1
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BIOL 361 - Biostatistics and Experimental Design 1
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Biology 14
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Chemistry 2
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Computational Mathematics 1
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Computer Networks 1
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ECON MISC 1
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Economics 2
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HESI EXIT RN 1
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Kinesiology 3
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Mathematics 4
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MSCI446 1
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Pharmacy 8
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PLAN 34 2
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Psychology 1
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Sociology 1
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STAT 2
Laatste content University of Waterloo (UW )
Good to have for GEOG 371 midterm review
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University of Waterloo•GEOG 371
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Good to have for GEOG 371 midterm review
In depth GEOG 371 review notes
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University of Waterloo•GEOG 371
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In depth GEOG 371 review notes
Stat 431 ASSIGNMENT 3 SOLUTIONS 
1. (a) Given the tolerance distribution, the probability of response the dose x is 
π(x) = Zx 
−∞ 
exp((u − µ)/δ) 
δ(1 + exp((u − µ)/δ) 
2 
du 
= 
exp((x − µ)/δ) 
1 + exp((x − µ)/δ) 
⇒ log π(x) 
1 − π(x) 
= − 
µ 
δ 
+ 
1 
δ 
x 
This implies that it is most appropriate to choose a logistic link function. 
(b) The binary logistic regression model is 
log π(x) 
1 − π(x) 
= β0 + β1x 
where β0 = − 
µ 
δ 
and β1 = 
1 
δ 
. ...
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University of Waterloo•STAT 431
Voorbeeld 2 van de 7 pagina's
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Stat 431 ASSIGNMENT 3 SOLUTIONS 
1. (a) Given the tolerance distribution, the probability of response the dose x is 
π(x) = Zx 
−∞ 
exp((u − µ)/δ) 
δ(1 + exp((u − µ)/δ) 
2 
du 
= 
exp((x − µ)/δ) 
1 + exp((x − µ)/δ) 
⇒ log π(x) 
1 − π(x) 
= − 
µ 
δ 
+ 
1 
δ 
x 
This implies that it is most appropriate to choose a logistic link function. 
(b) The binary logistic regression model is 
log π(x) 
1 − π(x) 
= β0 + β1x 
where β0 = − 
µ 
δ 
and β1 = 
1 
δ 
. ...
Stat 431 Assignment 3 solutions 
1. [ 12 marks] 
(a) We start by fitting the interaction model 
logit(πi) = β0 + β1xi1 + β2xi2 + β3xi1xi2 
The Wald-test for H0 : β3 (coefficient of interaction term) gives a p−value << 0.05, 
hence we can not drop the interaction term. Since we can not further simplify this 
model, it is the best logit model we can fit. [2] 
cells<-("", header=T) 
cells$resp<-cbind(cells$Cell, 200-cells$Cell) 
fit1<-glm(resp~tnf+ifn+tnf*ifn, family=binomi...
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University of Waterloo•STAT 431
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Stat 431 Assignment 3 solutions 
1. [ 12 marks] 
(a) We start by fitting the interaction model 
logit(πi) = β0 + β1xi1 + β2xi2 + β3xi1xi2 
The Wald-test for H0 : β3 (coefficient of interaction term) gives a p−value << 0.05, 
hence we can not drop the interaction term. Since we can not further simplify this 
model, it is the best logit model we can fit. [2] 
cells<-("", header=T) 
cells$resp<-cbind(cells$Cell, 200-cells$Cell) 
fit1<-glm(resp~tnf+ifn+tnf*ifn, family=binomi...
This is a completed midterm of a student in the year 2015 for the course stat230.
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University of Waterloo•STAT230
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This is a completed midterm of a student in the year 2015 for the course stat230.
This is a completed midterm of a student in the year 2015 for the course stat230.
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University of Waterloo•STAT230
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This is a completed midterm of a student in the year 2015 for the course stat230.
Sociology books notes - A comprehensive introduction to the many dimensions of social life, Sociology: A Canadian Perspective, third edition, offers a detailed overview of sociological theory and Canadian society. Concepts and theory with the most up-to-date research, historical events, and life-course examples to create a rich learning experience.
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University of Waterloo•Sociology
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Sociology books notes - A comprehensive introduction to the many dimensions of social life, Sociology: A Canadian Perspective, third edition, offers a detailed overview of sociological theory and Canadian society. Concepts and theory with the most up-to-date research, historical events, and life-course examples to create a rich learning experience.
KIN204 Lab Practical Review
- Study guide
- • 5 pagina's's •
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University of Waterloo•KIN204
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KIN204 Lab Practical Review
Final exam notes for KIN 146
- Study guide
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University of Waterloo•KIN 146
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Final exam notes for KIN 146
This document contains a thorough analysis of each possible essay question for the final exam (as provided by the professor). Each answer includes the definitions of any major terms and key concepts in the question as well as several brainstorm ideas for possible answers. The questions are taken from a document provided by the professor from which the exam will include 2 of them. Legal Studies 229 is a second year course at the University of Waterloo. The notes are from online lectures with Prof...
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University of Waterloo•LS 229
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This document contains a thorough analysis of each possible essay question for the final exam (as provided by the professor). Each answer includes the definitions of any major terms and key concepts in the question as well as several brainstorm ideas for possible answers. The questions are taken from a document provided by the professor from which the exam will include 2 of them. Legal Studies 229 is a second year course at the University of Waterloo. The notes are from online lectures with Prof...