Statistics and Cancer Research
Choi Wang Ngai
Yiu Tsz Hei
Seow Jia Yin
Wong Ka Kei
Chui Wei
Usage of Statistics in Cancer
Research
determine if a particular factor is correlated to the oc
currence of the cancer
Evaluate if a particular treatment is effe

the Cox proportional hazards
model
(Cox Regression Model)
Cox Regression
h(t), represents how the risk changes with
time, and exp represents the effect of cov
ariates (or factors/features)
identifying significant prognostic factors
most commonly used
C

Statistics and Cancer
Research
Choi Wang Ngai
Yiu Tsz Hei
Seow Jia Yin
Wong Ka Kei
Chui Wei
Usage of Statistics in Cancer Research
determine if a particular factor is correlated to the
occurrence of the cancer
Evaluate if a particular treatment is effecti

Cox Proportional Hazard Model:
Most use regression method for analysis of censored survival data
Introduced by Cox in 1972
Used for:
Identification of differences in survival due to to treatment effect or prognostic factors( risk,
explanatory, or predict

Applied Business Forecasting
and planning
Multiple Regression Analysis
Introduction
In simple linear regression we studied the
relationship between one explanatory
variable and one response variable.
Now, we look at situations where several
explanatory va

SW388R7
Data Analysis
& Computers
II
Slide 1
Multiple Regression Basic
Relationships
Purpose of multiple regression
Different types of multiple regression
Standard multiple regression
Hierarchical multiple regression
Stepwise multiple regression
Steps in

Cox Proportional Hazards
Regression Model
Mai Zhou
Department of Statistics
University of Kentucky
A search in the New England Journal of
Medicine, Nov. 2001 - Nov. 2002 article
for Cox proportional hazards yield >300
results.
A search in Journal of Ameri

Lecture 17
Cox proportional hazards models
BIOST 515
March 4, 2004
BIOST 515, Lecture 17
Review
The proportional hazards regression model is given by
h(t|X) = h(t) exp(X11 + + Xpp).
The predictors, X1, . . . , Xp are assumed to act additively on
log h(t|

Title: Statistics in cancer research
Group members:
Choi Wang Ngai
Yiu Tsz Hei
Seow Jia Yin
Wong Ka Kei
Chui Wei
3035075145
3035074476
2012560349
3035075195
2012600412
Statistics is widely used in cancer research, its uses can be generally divided into
re

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Lecture 19
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Statistical Inference
In practice, instead of estimating the
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Essay
Mathematics Is Biologys Next Microscope,
Only Better; Biology Is Mathematics Next
Physics, Only Better
Joel E. Cohen
A
lthough mathematics has
long been intertwined with
the biological sciences, an
explosive syne

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What is Science?
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1
What is (or is not) Science?
We see science news in the media a lot
of times?
But what is (or is not) science?
2
3
4
5
Quick S

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Statistics and Its Applications
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Musical Dice Game
Have you thought/dreamt of being a music composer?
In fact, you can be an amateur composer even though you know nothing about music.

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THE UNIVERSITY OF HONG KONG
FACULTY OF SCIENCE
SCNC1111 Scientific Method and Reasoning
2012-13 Semester 2
Brief solution to exercises in lecture powerpoint notes II
Note: Some of the following are outline solutions only; in you

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THE UNIVERSITY OF HONG KONG
FACULTY OF SCIENCE
SCNC1111 Scientific Method and Reasoning
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Note: Some of the following are outline solutions only; in your s

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Lecture 12
Fractals
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2013 04 09
Previously on Chaos
Some defining characteristics of Chaos
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being deterministic
Examples of chaotic systems

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Chaos Theory
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What is Chaos?
What does chaos mean in an objective and scientific
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2
What is Chaos?
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Why are they connected?
What does this really mean?
Source:

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Fractals (Contd) and
some of their Connections to Chaos
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Previously on Fractals
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Bifurcation diagram
Fern leaves
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we will

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Probability and Statistics
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Birthday Problem
n people in a room including you
dimensionsinfo, 2012.
Birthday Problem (1)
= 1 = 1 ()
365
364
365+1
=
365
365
365
365
364
Hence = 1
365

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Prediction
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Regression
y
C
B
A
x
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Least Squares Regression Line
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Suppose the sample regression line is

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Lecture 13
Probability and Statistics
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Eddy Lam
Department of Statistics and Actuarial Science
What is statistics?
The term statistics is ultimately derived from the New
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Probability and Statistics
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Axioms of Probability
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0.0 P(A) 1.0.
2. Let A be an event in S, and let denote the
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Difference Equations
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An IQ Question
An IQ question
Start with a single bacterium. Every
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Suppose in a forest there are wolves and elk living together, and the
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If there are enough elk for wolves to
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Motivating Problems
If a persons temperature after hours of strenuous exercise
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Guesstimation
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How Many Piano Tuners
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