Re: [R] Welcome to the "R-help" mailing list (Digest mode)

2010-05-03 Thread ravikumar sukumar
Dear All,

How to calculate multiple correlation coefficient R, using R.


regards,
Sukumar

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[R] multiple correlation coefficient R

2010-05-03 Thread ravikumar sukumar
Dear All,

How to calculate multiple correlation coefficient R, using R.


regards,
Sukumar

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[R] left end or right end

2010-07-01 Thread ravikumar sukumar
Dear all,
I am a biologist. I have two sets of distance P(start1, end1) and Q(start2,
end2).
The distance will be like this.
P 
Q  

I want to know whether P falls closely to the right end or left  end of Q.
 P and Q are of different lengths for each data point. There are more than
1 pairs of P and Q.
Is there any test or function in R to bring a statistically significant
conclusion.

Thanks for all,
Suku

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Re: [R] left end or right end

2010-07-01 Thread ravikumar sukumar
Sorry for posting to the R list.

P  Q
12, 28   10, 42
2, 5   1, 55
32, 50   22, 63
. there are 1 points of P and Q.
The number of points of P and Q are equal (i,e 1).

The interval P always overlaps with Q. i,e start1https://stat.ethz.ch/mailman/listinfo/r-help
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Re: [R] left end or right end

2010-07-01 Thread ravikumar sukumar
There are three possibilities:

Case1: Left end

P--
Q--

Case2: Right end

P--
Q--


Case3: At mid position

P-
A--


My question is how far my data falls on the all the three cases. Is it
biased towards case1 or case2 or case3. I have to consider the length of Q
in the data. Example: start2-start1 =2  and end2-end1 = 3 does not make much
difference if length of Q is 15.

I do not hypothesize, i want to know how my data goes on.

Thanks and regards







On Thu, Jul 1, 2010 at 4:05 PM, Jonathan Christensen wrote:

> Hi,
>
> You need to define what you want more exactly--what are the possible
> conclusions (hypotheses) you want to reach? Based on what you've said, I can
> think of several different approaches you might want, but I'm not sure which
> one of them you're actually after. For example:
>
> Hypothesis A: The distance between the left endpoints of P and Q is less
> than (or equal to) the distance between the right endpoints.
> Hypothesis B: The distance between the right endpoints is smaller.
>
> This is a simple binomial test, as David Winsemius suggested. In your most
> recent email, though, it sounds like you want to take into account how much
> smaller one distance is than the other. This is more complicated.
>
> Another option occurred to me: maybe you don't care which end P is close
> to, you just want to know whether it's close to one of the ends, or
> somewhere in the middle.
>
> Without knowing what exactly you are trying to test, it's very hard for us
> to help you.
>
> Jonathan
>
>
> On Thu, Jul 1, 2010 at 7:45 AM, ravikumar sukumar <
> ravikumarsuku...@gmail.com> wrote:
>
>> Sorry for posting to the R list.
>>
>> P  Q
>> 12, 28   10, 42
>> 2, 5   1, 55
>> 32, 50   22, 63
>> . there are 1 points of P and Q.
>> The number of points of P and Q are equal (i,e 1).
>>
>> The interval P always overlaps with Q. i,e start1>
>> mere calculating whether points have this condition will not be
>> significant start1> length(end1-start1) and Q ie length(end2-start1) differs.
>>
>> Example
>> Case A:
>>
>>
>> Case B:
>> start2 - start1 =100
>> end2-end1 = 2
>>
>> In the above two cases, P is falling on the right end of Q in case B. But
>> it
>> depends on the length(end2-start2). If the length(end2-start2) =15000 in
>> case of B, then it is almost on the middle point.
>>
>> Is there any test or function in R to bring a statistically
>> significant conclusion that midpoint of P or P itself is falling on the
>> left
>> end or right end of Q.
>>
>> sorry once again for posting in this list.
>>
>> Regards
>>
>>[[alternative HTML version deleted]]
>>
>> __
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>

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