30 May 2012 02:14

## Re: 95% CI w/weighted means K value

```
Doesn't pool.envelope() work for you?  If not, can you explain
in what respect it doesn't work?

cheers,

Rolf Turner

On 30/05/12 08:19, Alyssa W. Pontes wrote:
> I have been able to use the envelope function for calculating the
> individual K values, but I am combining them using a weighted average and
> do not know how to make an envelope for the weighted mean combined K
> values, which is what my question relates to.
>
> -Alyssa
>
> On Tue, May 29, 2012 at 3:23 PM, marcelino.delacruz <at> upm.es<
> marcelino.delacruz <at> upm.es>  wrote:
>
>> If you mean Ripley's K (without "correlation") and confidence
>> envelopes instead of CI, it is very easy with the function pool.envelope
>> in spatstat.
>> See the examples in help(pool.envelope)
>>
>> Cheers,
>>
>> Marcelino
>>
>>
>> Con fecha 29/5/2012, "Alyssa W. Pontes"<awpontes <at> syr.edu>  escribiÃ³:
>>
>>> I am trying to figure out the Ripley's K correlation between points for 5
>>> replicates.  What I am currently doing is determining the Kcross values
>> for
>>> each and taking a weighted mean to combine all the replicates into one
>>> value.  Now, what I need to do is determine whether or not this data is
>>> statistically significant.  How do I get a 95% CI for these points with
>> the
>>> weighted mean?
>>>
>>> -Alyssa
>>>
>>>        [[alternative HTML version deleted]]
>>>
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>>
>>
>
>
>
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Gmane