Displaying 5 results from an estimated 5 matches for "hongos".
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2003 May 22
1
basic question on getGroups for lme analyses
...which 3 levels) and two random effects for "Individuals" (four of them) within "treatment" and "replicate -2 levels-" within "individual" within "treatment". For doing so, I´ve been trying to create a factor for Individual%in%Treatment, say IT
by
Hongos$IT=getGroups(~1|Treatment/Individual, data=hongos1, level=4)
but I got the following error:
Error in getGroups(~1 | Treatment/Individual, data = hongos1, level = 4) :
no applicable method for "getGroups"
I've been trying some other things but nothing seem to work, probabl...
2005 Dec 26
0
evaluation methods for logistic regression with proportion data
Dear list-members,
I have made a logistic regression analysis of the spatial distribution of
an ecological phenomenon (wildlife-caused crop damage). I divided the
region into 5x5 km grids, and in each grid I have performed a number of
questionnaires to asses the presence of crop damage in particular houses.
As a result, my dependent variable is not a simple presence/ absence data
but a
2006 Jan 04
1
silly, extracting the value of "C" from the results of somers2
Sorry I have a very simple question:
I used somers2 function from Design package:
> z<- somers2(x,y, weights=w)
results are:
>z
C Dxy n Missing
0.88 0.76 500 0.00
Now I want to call only the value of C to be used in further analyses, but I
fail to do it. I have tried:
> z$C
NULL
> z[,C]
Error in z[,C]: incorrect number of dimensions
and some other silly
2006 Jan 12
4
Loading Excel file into Limma
Dear mailing group,
This is my first time here. Glad to have this resource!
I am currently trying to load an Excel file into R (limma package loaded)
using the source(*name of directory*) command, but it cannot open the file.
I renamed the file as .R and .RData, to no avail. The Excel data contains
one gene name per row and about 100 data points per gene (columns).
I am only used to
2013 Jan 14
2
Reportar Bondad de ajuste de un Modelo No Lineal
Hola:
tengo un pequeño problemita que es más bien estadístico que específico de R, pero de todos modos espero me puedan dar una mano.
Quiero encontrar una forma de reportar la Bondad de ajuste de un modelo No Lineal. Estuve buscando y leyendo y parece que tal cosa no es posible o al menos no es fiable, desde el punto de vista estadístico.
El tema es que quiero mandar un trabajo a una