Displaying 12 results from an estimated 12 matches for "lehf".
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leaf
2004 Aug 13
2
how to plot an array with labels
How can i plot an array and instead of having on the x labels the
indexes of the array I want to display an other String array of the
same length
2004 Sep 23
3
multinomial logistic regression
Hi, how can I do multinomial logistic regression in R?
I think glm() can only handle binary response
variable, and polr() can only handle ordinal response
variable. how to do logistic regression with
multinomial response variable?
Thanks
__________________________________
2004 Dec 19
1
how to make the matrix as factors
Hi All,
Thanks for you help, I have loaded the library MASS to call the mca. But when I
want to do the mca, there is another problem, for example
--------
--------
> leaf <- read.table("C:/Documents and Settings/wxh-c/×ÀÃæ/1.txt",
+ col.names=c("size","texture"),header=TRUE)
> leaf
size texture
1 3 3
2 2 2
3 3 2
4 3
2004 Nov 05
2
graphics site
About six months ago there was a reference to a site (in french) that
did a spectacular job of demonstrating R's graphical capabilities.
My bookmarks were recently wiped and I cannot find this site despite my
best googling.
Anyone have the address which I have done a miserable job describing?
Thanks.
Michaell
2004 Oct 21
2
an introduction to R in french
Hello wizaRds !
I am looking for a french and recent version of "An introduction to R".
Does anybody know where i could find on of these.
Thanks.
--
Romain Fran??ois
25, avenue Guy Moquet
94 400 Vitry sur seine
FRANCE
_______________________
_______________________
francoisromain at free.fr
01 46 80 65 60
06 18 39 14 69
2005 Apr 07
3
analyse des correspondances multiples
bonjour,
Je voudrais faire une analyse des correspondances multiples avec R. avec
les repr?sentation graphiques correspondantes avec R.
je ne sais pas comment proc?der ..
en vour remerciant par avance
Faouzi
2004 Nov 04
2
biplot drawing conc ellipses
Is there an option to draw concentration ellipses in biplots ? It seems
really nice to summarize large number of points of each group.
Cheers../ Murli
2005 Feb 07
2
questions sur R
bonjour,
Je suis actuellement en derniere annee d'ecole d'ingenieur en informatique et statistiques et je dois réaliser mon projet de fin d'études sur le logiciel R.
En fait, je dois réaliser un scoring sous R puis le meme sous SAS et comparer les resultats. Mon fichier se prete à une regression logistique. J'ai donc utilisé la fonction glm sous R et Catmod sous SAS seumement, je
2005 Apr 21
4
basic question
I know this question is very simple, but I am not figure it out
I have the data frame:
test<- data.frame(year=c(2000,2000,2001,2001),x=c(54,41,90,15), y=c(29,2,92,22), z=c(26,68,46,51))
test
year x y z
1 2000 54 29 26
2 2000 41 2 68
3 2001 90 92 46
4 2001 15 22 51
I want to sum the vectors x, y and z within each year (2000
2005 May 16
3
Mental Block with PCA of multivariate time series!
Please could someone point me in the right direction as I appear to be
having a total mental block with fairly basic PCA problem!
I have a large dataframe where rows represent independent
observations and columns are variables. I am wanting to perform PCA
sequentially on blocks of nrows at a time and produce a graphical output
of the loadings for the first 2 EOFs for each variable.
I'm sure
2005 Feb 18
9
Using time series and lm
Hello,
I apologize for this question that may has been asked a lot of times
but I could not go through it.
I create a multivariate time series containing NA values.
I want to compute a linear regression and obtain a time serie for both
residuals and fitted values. I have tried the trick ts.intersect,
without success.
Could you help me out of this?
####
Example:
y<-ts(1:10+rnorm(10))
2005 Apr 06
3
Re:
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