Displaying 8 results from an estimated 8 matches for "mcowen".
2011 Dec 14
3
R - Linux_SSH
Dear List,
I am unsure if this is the correct list to post to, if it isn't I apologise.
I am using SSH to access a Linux version of R on a remote computer as it
offers more memory and processing power. The model will take 1-2 days to
run, I am accessing R through Putty and when I close the connection and open
R again, I am faced with a new session.
As a Linux newbie, I was
2011 Jan 06
3
Extract data
Dear List,
I have a data frame called trait with roughly 800 species in, each species have 15 columns of information:
Species 1 2 3 etc..
a t y h
b f j u
c r y u
etc..
I then have another data frame called com with the composition of species in each region, there are 506 different communities:
community species
NA1102 a
NA1102 c
NA0402 b
NA0402 c
AT1302 a
AT1302 b
etc..
What
2011 Jan 06
1
Multiple subsets of data
Dear List,
I have a data frame called trait with roughly 800 species in, each species have 15 columns of information:
Species 1 2 3 etc..
a t y h
b f j u
c r y u
etc..
I then have another data frame called com with the composition of species in each region, there are 506 different communities:
community species
NA1102 a
NA1102 c
NA0402 b
NA0402 c
AT1302 a
AT1302 b
etc..
What
2011 May 16
2
wireframe advice - with reproducible code
Dear List,
i am trying to produce a 3d plot using wireframe using the code:
wireframe(Residuals_FD ~ Elevation * Temperature, data = data2, scales = list(arrows = FALSE), drape = TRUE, colorkey = TRUE)
As you can see when the code (using the data below) is run the plot area is set-up correctly but the actual surface is missing?
Any help would be greatly appreciated.
Chris
#data
Elevation
2010 Sep 20
5
predict.lrm ( Design package)
Dear List,
I am familier with binary models, however i am now trying to get predictions from a ordinal model and have a question.
I have a data set made up of 12 categorical predictors, the response variable is classed as 1,2,3,4,5,6, this relates to threat level of the species ( on the IUCN rating).
Previously i have combined levels 1 and 2 to form = non threatened and then combined 3-6 to
2010 Oct 05
4
Extract summary stats to table
Dear List,
I am looking to run a host of models (60) with three methods - lmer,glm and lrm.
Is there a way to output the key stats into a table that i can copy to excel?
I.e for lmer i would want AIC,BIC etc
for lrm i would want Brier score, r2, c-value etc
At present i am running the models from a script and then copying across the values into a excel spreadsheet however this is time
2010 Sep 26
3
Newbie Correspondence Analysis Question
I'm experienced in statistics, but I am a first-time R user. I would like to use R for correspondence analysis. I have installed R (Mac OSX). I have used the package installer to install the CA package. I have run the following line with no errors to read in the data for a table:
NonLuxury <- read.table("/Users/myUserName/Desktop/nonLuxury.data.txt")
The R online help
2011 May 20
1
Multiple count if style "queries"
Dear List,
I am looking to calculate two things from my data frame and was after some advice. For the example below i want to know.
1. How many unique Orders/Families and Genera there are per eco-name
2. How many incidences are there for each Order/Family and Genus there are per eco-region
I have 650 econame.
I.e for Biak-Numfoor rain forests there are 2 orders, 2 families and two genera.