search for: statistitian

Displaying 4 results from an estimated 4 matches for "statistitian".

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2002 Jan 25
1
interpretation of lm
Dear statistitians / R users, I was told to analyse the effects of the four factors using lm or update for aov. The following is the result from lm. As you can see that in the last few lines enclosed coefficients. 1)Does this mean I can write a formula, like yield =0.26 + 0.03*H + 1.48*T + 0.04*L + 0.004*C 2)...
2005 Feb 12
2
comparing predicted sequence A'(t) to observed sequence A(t)
Hi, I have a question that I have not been succesful in finding a definitive answer to; and I was hoping someone here could give me some pointers to the right place in the literature. A. We have 4 sets of data, A(t), B(t), C(t), and D(t). Each of these consists of a series of counts obtained in sequential time-intervals: so for example, A(t) would be something like: Count A(t): 25,
2002 Nov 28
0
looking for help on repeated measure ANOVA
...ether drug treatment has an effect on exploration plus the combined effect. Checking out the mailing list archives I found the helpful page by J. Baron on R in psychology and tried to adapt his example in chapter 6. Below you can find the result, and I simply wanted to ask some more experienced statistitian than me if I did the right thing with these data. Thanks in advance, Christian. souris.mat <- matrix(c( 54, 95, 45, 90, 19, 50, 21, 70, 13, 33, 33, 71, 52, 62, 46, 83, 16, 38, 34, 85, 23, 59, 40, 77, 26, 65, 16, 29, 36, 65, 41, 67, 52, 71, 34, 44, 73, 86, 43, 55, 34, 48, 40, 50, 34, 43, 35, 4...
2002 Aug 29
3
2 questions
Hi all, I am using R1.5.0 under Unix, I have a couple of questions here. 1. My program is running out of memory. I am writing a program to grow a list of trees using rpart() on a subset of a large dataset(5807x693) with a different response for every tree. I saw that after each tree was constucted, 116 MB of data was being added to the Vcells. I have no idea what this data is. My dataset is