search for: biotecnologia

Displaying 19 results from an estimated 19 matches for "biotecnologia".

2008 Oct 31
4
how to compute a roc curve
...and I'm getting lost Could any of you recommend me an easy-to-use package to do this task? i just have a list of positive/negative samples and his score on my program. can I compute a roc curve with this? thanks pau -- Pau Marc Muñoz Torres Laboratori de Biologia Computacional Institut de Biotecnologia i Biomedicina Vicent Villar Universitat Autonoma de Barcelona E-08193 Bellaterra (Barcelona) telèfon: 93 5812807 Email : paumarc.munoz@bioinf.uab.cat [[alternative HTML version deleted]]
2009 Sep 20
1
hola
hola a todos soy fabian huerta, de argentina, estudio lic en biotecnologia y recien empiezo con R saludos fabian Yahoo! Cocina Encontra las mejores recetas con Yahoo! Cocina. http://ar.mujer.yahoo.com/cocina/ [[alternative HTML version deleted]]
2007 Aug 15
2
X11 problems
...X11 fonts Check that the Font Path is correct. In addition: Warning messages: 1: locale not supported by Xlib: some X ops will operate in C locale 2: X cannot set locale modifiers > Can some body tell me what to do? -- Pau Marc Muñoz Torres Laboratori de Biologia Computacional Institut de Biotecnologia i Biomedicina Vicent Villar Universitat Autonoma de Barcelona E-08193 Bellaterra (Barcelona) telèfon: 93 5812807 Email : paumarc.munoz@bioinf.uab.cat [[alternative HTML version deleted]]
2023 Dec 08
2
regarding CCA plot
Hii rstudio members I am learning rstudio, For my manuscript I am trying to plot CCA using species and environmental data. But I am getting error like Error in cca.default(sptrans, envtrans) : all row sums must be >0 in the community data matrix *My code is like * library(vegan) library(ggplot2) library(dplyr) rassspec<-read.csv("C:/Users/hp/Desktop/R_data/rassspec.csv",
2000 Mar 20
3
: multinom()
...ta, but have only encountered error messages. On another note, Is it possible to get a set of discriminant scores for the multinom fit using predict.nnet or some other function like for lda using predict.lda? Thanks Peter ------------- Peter Ho Universidade Cat?lica Portuguesa Escola Superior de Biotecnologia Rua Dr. Ant?nio Bernardino de Almeida 4200-072 Porto -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body...
1999 Feb 15
0
can't find functions?
...nd R0.63.2. Any suggestions? Also, I tried to update the html help using make.packages.html() and got the following: > make.packages.html() 1: Can anyone tell me what do I type next? In R0.63.1 this does not happen and the help files are updated without a problem. PeterHo Escola Superior de Biotecnologia Universidade Cat?lica Portuguesa Rua Dr. Ant?nio Bernardino de Almeida 4200 Porto Portugal -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "...
1999 Oct 07
0
Xgobi under Windows
...y case my parent directory for Xgobi was Xgobi3. 4) From within R do the following. > library(xgobi) then you can use the function: > xgobi(your matrix or data.frame) That's ll you need to do. Thanks again Peter ------------------------------------ Peter Ho Escola Superior de Biotecnologia Universidade Cat?lica Portuguesa Rua Dr. Ant?nio Bernardino de Almeida 4200 Porto Portugal Tel: ++351-2-5580043 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "h...
1999 Oct 14
1
:Citing R
...only thing I can come up with so far is, R Development Core Team. 1999. R : A language and environment. Should the version of R be included? i.e. Linux, windows? Thanks Peter ----------------------------------------------------------------------------------------- Peter Ho Escola Superior de Biotecnologia Universidade Cat?lica Portuguesa Rua Dr. Ant?nio Bernardino de Almeida 4200 Porto Portugal Tel: ++351-2-5580043 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "h...
1999 Nov 09
0
Xgobi for windows NT
...do the following. > >> library(xgobi) > >then you can use the function: > >> xgobi(your matrix or data.frame) > > >That's ll you need to do. > >Thanks again > >Peter > >------------------------------------ >Peter Ho >Escola Superior de Biotecnologia >Universidade Cat?lica Portuguesa >Rua Dr. Ant?nio Bernardino de Almeida >4200 Porto >Portugal >Tel: ++351-2-5580043 > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send...
2001 Jun 28
0
: k-fold cross validation for fda,mda etc
...whereas the function fda(), using the formula argument only. Is there another way of doing k-fold cross validation for functions which only have the formula argument, like for fda() and mda() ? Peter -------------------------------------------------------- Peter Ho GradIFST Escola Superior de Biotecnologia Universidade Cat?lica Portuguesa Rua Dr. Ant?nio Bernardino de Almeida 4200-072 Porto Portugal -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or &...
2006 Jun 26
1
Plylogenetic analysis
Dear coleges, How to use the genotype from microsatelite markers from many different populations to construct a tridimensional phylogenetic tree with R? Any suggestions? Thank you very much! Baron, Erica Dra. Erica Baron Universidade dos A?ores - Departamento de Ci?ncias Agr?rias Grupo de Biotecnologia - Campus de Angra Terra-Ch? 9701-851 A?ores - Portugal Tel. +351 295 402 235 Fax. +351 295 402 205 eribaron at mail.angra.uac.pt
2000 Feb 29
0
se.contrasts.
...and multivariate approach. I have looked at the growth and rmutil, which the author J Lindsey suggested could be used, but as I had no experience using them, again I did not know what to do. Has anyone tried this approach? Thanks Peter ----------------------------- Peter Ho Escola Superior de Biotecnologia Universidade Cat?lica Portuguesa Rua Dr. Ant?nio Bernardino de Almeida Porto 4200-072 Portugal -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or &qu...
1999 Aug 24
1
package mlbench updated
Hi, Evgenia and I have copied an updated version of the mlbench package to CRAN which contains several new data sets. We have also changed some of the variable names to avoid name conflicts. Best, -- ------------------------------------------------------------------- Friedrich Leisch Institut f?r Statistik Tel: (+43 1) 58801 10715 Technische
1999 Aug 24
1
package mlbench updated
Hi, Evgenia and I have copied an updated version of the mlbench package to CRAN which contains several new data sets. We have also changed some of the variable names to avoid name conflicts. Best, -- ------------------------------------------------------------------- Friedrich Leisch Institut f?r Statistik Tel: (+43 1) 58801 10715 Technische
2001 Jun 08
1
:predict.ppr
...t.ppr in the index for modreg, but that link is to the help for ppr(). Has predict.ppr() not been implemented? If not, does anyone have a suggestion as to how to implement predict.ppr() in R? Thanks Peter ------------------------------------------------- Peter Ho GradIFST Escola Superior de Biotecnologia Universidade Cat?lic Portuguesa Rua Dr. Ant?nio Bernardino de Almeida 4200 Porto Portugal -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[...
1999 Oct 07
1
Xgobi
...u know how I can get Xgobi to accept any of my data.frames? Xgobi runs well on the flea example found in the Xgobi package. Also, if the path of the data file is placed after c:\Xgobi3\xgobi.exe, then Xgobi will work with this file. Thanks Peter --------------------- Peter Ho Escola Superior de Biotecnologia Universidade Cat?lica Portuguesa Rua Dr. Ant?nio Bernardino de Almeida 4200 Porto Portugal -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[...
1999 Sep 21
1
regressions (simple question)
I have a list of measurements taken at 1 second samples in a vector (y). All I want to do is generate a regression through them, and obtain the residuals in another vector. I am currently using the 'line' function from the eda package to do this (ie : z <- line(time,y) rsd <- residuals(z) ) but this method does not handle NA values in the data. I would like to try to use the lm
2001 May 08
3
Replacing missing values
I'm discovering R (very impressive), and didn't find in the docs a simple method for replacing, in a data frame, missing values (NA) with the column's mean (or any other method for reconstructing missing values when needed). Thanks in advance for your help. -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read
2000 Jan 04
0
Stepwise logistic discrimination - II
...ull list of variables "F25 +F26 +........+F150". StepAIC removed the first 2 variables then produced the same error message as before. See setp126.txt Is this a bug? Is there a maximum number of variables which stepAIC can handle? Peter -------------------- Peter Ho Escola Superior de Biotecnologia Rua Dr. Ant?nio Bernardino de Almeida 4200 Porto Tel: ++351-22-5580043 -------------- next part -------------- > nose20s.mu <- multinom(Spoilage ~ FRAG25 + FRAG26 + FRAG27 + FRAG28 + FRAG29 + FRAG30 + FRAG31 + FRAG32 + FRAG33 + FRAG34 + FRAG35 + FRAG36 + FRAG37 + FRAG38 + FRAG39 + FRAG40 + F...