Description:
Statistics from a strictly mathematical viewpoint.
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probability density function identification
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Hi,
I have a question on trying to reverse engineer the probability density function from which a set of numbers were generated. My setup is the following:
1) I have two probability density functions, both of whose domain is bounded in [0,1]: a) Beta (4,2) distribution b) Uniform (0.358060,0.975273) distribution... more »
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Chinatown bus operator ordered shut down
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...
Fung Wah's problems are a different issue from the article's claim
about the general safety of "curbside buses". (They couldn't exactly
write an article about companies owned by ethnic Chinese.)
[link]
I took the article with a grain of salt, considering its source. But... more »
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Intraclass correlation
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Hi there,
I am calculating intraclass correlation coefficients to assess the reliability of visual scoring of brain scans in Parkinson's. However, I did this three times: *in SPSS, *in software available from the university of Hong Kong at [link]... more »
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Solution Manual Complex Variables with Applications, 3rd ED by David A. Wunsch
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I have the instructor solution manuals to accompany mathematical,
engineering, physical, chemical, financial textbooks, and others.
These solution manuals contain a clear and concise step-by-step
solution to every problem or exercise in these scientific textbooks.
They are all in PDF format. If you are interested in any one, simply... more »
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Distribution of the peak from a size-N complex vector
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Hope this is the right place to ask this question. I'm trying to determine the distribution of the peak of a length-N complex vector whose real and imaginary components are Gaussian distributed with zero mean and identical variance.
This situation can be simulated in Matlab as follows:
test_mat = (randn(10000,8192)+1j*randn(10 000,8192))/sqrt(2);... more »
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Compare two methods of random permutations
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I want to compare in a practical sense two methods of random
permutations -- one theoretically perfect, namely that of Fisher and
Yates, and another ad hoc, let's call it X. A way of comparison I could
think of is the following:
One starts from the standard configuration of n objects [0, 1, 2,... more »
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SOLUTIONS MANUAL: Mathematics for Physicists by Susan Lea
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I have the instructor solution manuals to accompany mathematical,
engineering, physical, chemical, financial textbooks, and others.
These solution manuals contain a clear and concise step-by-step
solution to every problem or exercise in these scientific textbooks.
They are all in PDF format. If you are interested in any one, simply... more »
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test for difference in center of mass
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Hi,
I'm looking to test for a difference in center of mass between two groups of points. Each point has an x,y,z coordinate and I need to know if the means of the two clouds are significantly different, under the assumption that they are approximately Normally distributed. Can anyone point me to a test I can use?... more »
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