The Culture of France
The country of France is very popular. The culture of France and of the French people has been shaped by geography, by profound historical events, and by foreign and internal forces and groups. France, and in particular Paris, has pl
CE4130/7130
Transportation Safety:
Introduction and Motivation
Introduction and Motivation
Create the general context
for transportation safety
Provide motivation and
outline needs
Accentuate particular areas
Paint the larger picture
(aka Death & Gloom
Le
General Insurance Homework Page 540
a.
b.
c.
d.
e.
Case Application
The factors that determine auto insurance rates are take advantage of discounts,
improve your driving record, maintain good credit, carry adequate liability
insurance, carry higher deduct
Midterm Review
CE4130 Transportation Safety
1
Guest Speaker
Please mark on your calendars
Joint class with CE3100 at 8am in
Ketcham on Nov. 3, Thursday
Refreshments provided
Speakers on transportation safety
CE4001 Transportation Safety
2
Format
Numerical
Crash Prediction, How?
You are tasked with assessing the
possible safety benefits of the RLC
on I/S of Stadium & Providence
How would you go about it?
What data would you need to collect?
How much data would you need?
What would you do with such data?
C
Compare Classic w/ Rate Control
OBi XA K * S
0.5
1
XS
OBRi XS K
2Vi
Vi
CE4001 Transportation Safety
1
Empirical Bayesian Method
Based on conditional probability, or
compute posterior based on prior
i.e. the probability that something is
true given th
Ranking or Filtering Locations
Should we consider severity? If so, how?
extremetech, 2011
CE4001 Transportation Safety
1
Ranking or Filtering Locations
How should we consider severity?
Focus on fatalities, if sample size allows
Compute equivalent crashe
DDHV
DDHV = directional design hour volume
How do you think this could be computed
from AADT?
CE4001 Transportation Safety
1
DDHV
DDHV = AADT*K*D
D = proportion of peak hour traffic
traveling in the peak direction of flow
K = proportion of daily traffic o
F-Test
The F-test is designed to test if two
population variances are equal.
Recall the Chi-squared Test
Compares ratio of two variances.
If the variances are equal, the ratio
of the variances will be 1.
CE4001 Transportation Safety
1
F-Test
What are the
Errors in hypothesis testing
Ho is true
Type I error =
Correct decision
Reject Ho
Do not reject Ho
Ho is false
Correct decision
Type II error =
Type I = false positive
Type II = false negative; cannot generally be computed because it
depends on the popu
Standard deviation or variance?
CE4001 Transportation Safety
1
Standard deviation or variance?
Standard deviation has the units of
the original measurement.
e.g. mph versus mph2
CE4001 Transportation Safety
2
How to look at magnitudes?
Is $1 difference im
A Note on Class Slides
CE4130 Transportation Safety:
Review of Statistics
CE4001 Transportation Safety
Class slides are different from a formal
presentation:
- 15x2 or ~30 lectures during the
semester
- Translated from previous lecture notes
- Should not
Running head: RELIGION AND POPULAR CUTURE
Religion and Popular Culture
Authors Name:
Instructors Name:
Course Title:
Institutional Affiliation:
Date of Submission:
RELIGION AND POPULAR CULTURE
2
Religion and Popular Culture
The book, Religion and Popular