Questions tagged [mathematica]
Mathematica is a software package for symbolic mathematical computations.
5 questions
17
votes
2
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689
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What's the distribution of $(a-d)^2+4bc$, where $a,b,c,d$ are uniform distributions?
I have four independent uniformly distributed variables $a,b,c,d$, each in
$[0,1]$. I want to calculate the distribution of $(a-d)^2+4bc$. I computed the distribution of $u_2=4bc$ to be $$f_2(u_2)=-\...
- 1,264
8
votes
2
answers
811
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PDF of a sum of dependent variables
This is a direct continuation of my recent question. The thing that I actually want to get is the distribution of $a+d+\sqrt{(a-d)^2+4bc}$, where $a,b,c,d$ are uniform in $[0,1]$. Now, the ...
- 1,264
6
votes
1
answer
6k
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Comparing two datasets with same variable
thanks in advance for anyone taking the time to read/answer this.
I am comparing a ground-sourced dataset versus a satellite-sourced dataset for weather conditions, such as temperature. Both sets are ...
- 175
2
votes
1
answer
14k
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What is a good test for comparing frequency counts between two groups?
I am looking for statistical methods used to compare frequency of observations between two groups. I have two geographical locations with data on different soil types present.
for example, my data ...
- 21
0
votes
2
answers
361
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How to estimate storage needs using the PERT distribution for filesizes? How to aggregate them without falling into the flaw of extremes?
Lets say I know that I am going to store the information of 10,000 people each year for 4 years, that is 40,000 files. Now If I estimate that on the best case scenario the information from each ...
- 301