Writing your paper
Table 3.4 Golden rules for reporting numbers.
Rule
Correct expression
Numbers less than 10 are
words.
Numbers 10 or more are
numbers.
Words not numbers begin a
sentence.
Be consistent in lists of
numbers.
Numbers less than 1 begin
with
A
LTEX
Guangyong (GY) Zou, Ph.D.
Department of Epidemiology & Biostatistics
and
Robarts Clinical Trials of Robarts Research Institute
Zou, GY (Western)
Biostatistics 9510A
September 24, 2013
1/9
equation display
Display an equation when it
need to be numb
Biostatistics 9510A: Biostatistical Research Methods
Guangyong (GY) Zou, Ph.D.
Department of Epidemiology & Biostatistics
and
Robarts Clinical Trials of Robarts Research Institute
Zou, GY (Western)
Biostatistics 9510A
December 5, 2013
1 / 262
Chapter 1-2
Statistics: Overview
GY Zou
gzou@robarts.ca
Department of Epidemiology & Biostatistics
Robarts Research Institute
University of Western Ontario
Sept 11, 2012
The lady tasting tea: P-value
The lady tasting tea: P-value
At a summer tea party in Cambridge,
Citations in General
There has been much discussion of the uses of citation counts in the
literature, although
not with respect to the statistics literature with the exceptions of Stigler
(1994),
Altman & Goodman (1994), and Theoharakis & Skordia (2003).
Sample size requirement for CI with normal data
Formulae are derived based on a given precision, i.e., interval
half-width to be !.
The chance of achieving the precision, i.e., half-width not
larger than ! is 50%.
Golden rules for reporting numbers.
Rul
The lady tasting tea: P-value
At a summer tea party in Cambridge, England, a guest states
that tea poured into milk tastes different from milk poured
into tea;
An experiment was conducted to test the claim. 10 cups of
tea prepared differently;
The lady
Empirical evaluation results say the Wilson method
Newcombe (1998) Two-sided confidence intervals for the
single proportion: comparison of seven methods. Statistics in
Medicine 17: 857872.
Agresti and Coull (1998) Approximate is better than exact
for in
E9510A - Biostatistical Research Methods
Assignment 2 (Due Oct 17)
September 27, 2013
1. Problem 2.8 (p. 80);
2. Problem 2.17 (p. 84);
3. Problem 3.3 (p. 116). Using SAS proc power is encouraged.
4. Agresti and Coull (1998 Am Stat 52: 119-126) claimed tha
Biostat 9510A - Biostatistical Research Methods (Fall 2013)
September 4, 2013
Description:
This course is intended for graduate students in the biostatistical collaborative program. The purpose
is to provide a theoretical foundation for statistical method
E9510A - Assignment 4 (Due Nov 19)
1. p. 241, Question 5.4;
2. p. 242, Question 5.9;
3. Hanley and Theriault (2000 Epidemiology 11: 613) provide data from ve case-control studies on the role
of high voltage power lines in the etiology of leukemia in child
Mid-term Examination
E9510A -2011 Biostatistical Research Methods
Nov 1, 2011
1. (10) A researcher collected the following data
Response
Group Yes No
1
7
12
2
8
2
Based on the following SAS code,
proc iml;
do a=1 to 15;
prob = prob/(a|pdf(hyper, a, 29, 15
E9510A -2013 Mid-term Examination
Nov 5, 2013
1. (20) Derive the lower 1-sided 100(1 )% condence limit for the case of one event in a
sample of size n according to the denition of condence interval.
By definition, the lower 100(1 )% limit l must satisfy