Displaying 3 results from an estimated 3 matches for "jonathan_wang".
2004 Feb 22
3
Simulation help
I am a new R user. As a test, I want to write a simple code that does the following simulation:
1. Randomly generate a number from a distribution, say, Poisson. Let's say that number is 3.
2. Randomly generate 3 numbers from another distribution, say, Normal.
3. Compute the sum of the numbers generated in step 2 and read it into a vector, V.
4. Repeat steps 1 through 3 for 100,000 times.
5.
2004 Feb 25
2
PWM Help
I saw a Help e-mail related to MLE. Does R have a probability weighted method (PWM) estimator function? I can't seem to find anything on PWM, unless my eyes are playing trick on me.
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2004 Feb 24
2
matrix() Help
I have a question related to matrix().
The code below randomly generates 3 Poisson numbers into a 3 by 1 matrix:
> matrix1 <- matrix(rpois(3,lambda=2),nrow=3,ncol=1)
And I use list() to see what they are:
[,1]
[1,] 3
[2,] 1
[3,] 4
, which is what I had intended.
I then I want to randomly generate y Normal numbers into a 3 by 8 matrix. y in this case would be 3, 1, and 4; so