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Tutorial 6
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View Full Document Question 1
Which of the following code
uses control variates to
estimate theta?
A.
u=runif(1000)
x=exp(1/x)
mean(x)
B.
u=runif(1000)
x=exp(1/x+x)+(e1)/e
mean(x)
C.
u=runif(1000)
x=exp(x)
mean(x)
D.
u=runif(1000)
x=exp(1/x)exp(x)+(e1)/e
mean(x)
E.
None of the above.
Question 2.1
Which of the following
is most efficient?
A two way table of
efficiencies is
given as left
hand column
is the numerator
, top row is
the denominator.
CMC
Anti CV OCV
Imp Strat
CMC
1
Anti
4.3
1
100
CV
0.3
1
OCV
1
1
Imp
1
Strat
1
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View Full Document Question 2.2
A.
Based on the Anti
results, what do we know
about the function?
B.
What do you know
about OCV?
C.
Explain what an
efficiency of 0.3
between CMC and CV
means.
(not asked
below)
D.
Compare the
efficiency of Importance to
CMC
Anti CV OCV
Imp Strat
CMC
1
Anti
4.3
1
100
CV
0.3
1
OCV
1
1
Imp
1
Strat
1
Question 2.3
Based on the Anti results,
what do we know about
the function?
A. Nothing.
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This note was uploaded on 03/15/2012 for the course STAT 340 taught by Professor Xu(sunny)wang during the Winter '09 term at Waterloo.
 Winter '09
 Xu(Sunny)Wang

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