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# Rangesize Mean
#1 6-10 675.1920
#2 11-15 851.5500
#3 16-20 728.4625
A.K.
- Original Message -
From: Elaine Kuo
To: dcarl...@tamu.edu
Cc: r-help@r-project.org
Sent: Tuesday, December 18, 2012 1:39 AM
Subject: Re: [R] averaging X of specific Y (latitude)
Hello David,
sity
College Station, TX 77843-4352
> -Original Message-
> From: Elaine Kuo [mailto:elaine.kuo...@gmail.com]
> Sent: Tuesday, December 18, 2012 12:39 AM
> To: dcarl...@tamu.edu
> Cc: r-help@r-project.org
> Subject: Re: [R] averaging X of specific Y (latitude)
>
> Hel
88.20
> >> 10 Butterfly B4 18 620.11
> >> 11 Butterfly C2 18 912.20
> >>
> On Tue, Dec 18, 2012 at 12:27 AM, David L Carlson wrote:
> You are only using dput to create a version of your data that you can post
> in your email along with your quest
lege Station, TX 77843-4352
From: Elaine Kuo [mailto:elaine.kuo...@gmail.com]
Sent: Monday, December 17, 2012 6:37 PM
To: dcarl...@tamu.edu
Cc: r-help@r-project.org
Subject: Re: [R] averaging X of specific Y (latitude)
Thank you, David.
Now I know how to use dput.
Two more questions conjure
the data that is easy for r-help subscribers to use in
> order to recreate your data. That makes it easier to answer your question.
> ****
>
> ** **
>
> ------
>
> David L Carlson
>
> Associate Professor of Anthropology
>
&
tion, TX 77843-4352
From: Elaine Kuo [mailto:elaine.kuo...@gmail.com]
Sent: Monday, December 17, 2012 5:56 AM
To: dcarl...@tamu.edu; r-help@r-project.org
Subject: Re: [R] averaging X of specific Y (latitude)
Another question (I am sure it is the last one tentatively):
After creati
ange = c(130.5,
450.68, 1102.38, 893.34, 820.2, 872.2, 488.2, 620.11, 982.78,
720.32, 912.2), Latitude = c(9.45, 10.2, 9.3, 16.4, 10.54, 10.87,
16.79, 18.3, 12.98, 12.67, 18.07)), .Names = c("Species", "Range",
"Latitude"), class = "data.frame", row.names = c(&
2.78,
> + 720.32, 912.2), Latitude = c(9.45, 10.2, 9.3, 16.4, 10.54, 10.87,
> + 16.79, 18.3, 12.98, 12.67, 18.07)), .Names = c("Species", "Range",
> + "Latitude"), class = "data.frame", row.names = c(NA, -11L)))
>
>
>
>>> >>
>>
A, -11L)))
>> >>
>> >>
>> >> - Original Message -
>> >> From: David L Carlson
>> >> To: 'Elaine Kuo' ; r-help@r-project.org;
>> >> 'r-sig-geo'
>> >> Cc:
>> >> Sent: Sunday, Decem
bining species within a
> >> latitude just remove Species:
> >>
> >>> aggregate(Range~floor(Latitude), dta, mean)
> >> floor(Latitude) Range
> >> 1 9 616.440
> >> 2 10 714.360
> >> 3 12 851.550
> &
>>> aggregate(Range~floor(Latitude), dta, mean)
>> floor(Latitude) Range
>> 1 9 616.440
>> 2 10 714.360
>> 3 12 851.550
>> 4 16 690.770
>> 5 18 766.155
>>
>> -------
>>
12 851.550
> 4 16 690.770
> 5 18 766.155
>
> ---
> David
>
>
> From: Elaine Kuo [mailto:elaine.kuo...@gmail.com]
> Sent: Sunday, December 16, 2012 5:17 PM
> To: dcarl...@tamu.edu; r-help@r-project.org; r-sig-...@stat.math.ethz.ch
>
-...@stat.math.ethz.ch
Cc:
Sent: Sunday, December 16, 2012 6:16 PM
Subject: Re: [R] averaging X of specific Y (latitude)
Thank you, David.
Your answer reminded me of rearranging the order according to the latitude
before running the calculation.
One more question,
please kindly help with the code to
ced before the mean calculation?
Thank you.
Elaine
- Original Message -
From: David L Carlson
To: 'Elaine Kuo' ; r-help@r-project.org;
'r-sig-geo'
Cc:
Sent: Sunday, December 16, 2012 11:32 AM
Subject: Re: [R] averaging X of specific Y (latitude)
It is better to us
calculation?
Thank you.
Elaine
>
>
>
> - Original Message -
> From: David L Carlson
> To: 'Elaine Kuo' ; r-help@r-project.org;
> 'r-sig-geo'
> Cc:
> Sent: Sunday, December 16, 2012 11:32 AM
> Subject: Re: [R] averaging X of specific Y (latit
.org; 'r-sig-geo'
Cc:
Sent: Sunday, December 16, 2012 11:32 AM
Subject: Re: [R] averaging X of specific Y (latitude)
It is better to use dput() in R to create a text version of your data for us
to work with. The aggregate command below gives you the mean ranges by
butterfly species an
It is better to use dput() in R to create a text version of your data for us
to work with. The aggregate command below gives you the mean ranges by
butterfly species and latititude and saves the result as Bfly. The
colnames() command simply renames the columns:
> dta <- structure(list(Species = st
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