similar to: Loading C functions into R

Displaying 20 results from an estimated 600 matches similar to: "Loading C functions into R"

2004 Jul 01
2
RMySQL
Hi!! I want some help to install the RMySQL package. I've tried to configure some things but i'm still getting erros. Anybody could help me?? Thank's Talita Perciano Costa Leite Graduanda em Ci??ncia da Computa????o Universidade Federal de Alagoas - UFAL Departamento de Tecnologia da Informa????o - TCI Constru????o de Conhecimento por Agrupamento de Dados - CoCADa
2005 Jan 10
4
Data Set
Hi everybody, I'm studying descriptive statistics using R and I have to make an important work about that. I need some help to choose a good data set to apply those statistics. Does anybody know a good data set I could work with? Thanx, Talita Perciano Costa Leite Graduanda em Ci?ncia da Computa??o Universidade Federal de Alagoas - UFAL Departamento de Tecnologia da Informa??o - TCI
2005 Jan 07
2
Asymmetry and kurtosis coefficients
Hello everybody, I'm studying descriptive statistics with R and I want to know how to calculate the asymmetry and kurtosis coefficients of a sample using R. I'll appreciate some help. Thanx, Talita Perciano Costa Leite Graduanda em Ci?ncia da Computa??o Universidade Federal de Alagoas - UFAL Departamento de Tecnologia da Informa??o - TCI Constru??o de Conhecimento por Agrupamento de
2004 Jun 01
3
Parametric Curves
Hi everybody! I'm trying to plot a parametric curve (three dimensions) using R but I didn't obtain good results. Somebody have already done something like that? Please help me! Talita Perciano Costa Leite Graduanda em Ci??ncia da Computa????o Universidade Federal de Alagoas - UFAL Departamento de Tecnologia da Informa????o - TCI Constru????o de Conhecimento por Agrupamento de Dados -
2004 Jun 22
1
Numerical methods of integration
Hi! I want to know if there is a function in R that makes integration using numerical methods. Thank's for helping! Talita Perciano Costa Leite Graduanda em Ci??ncia da Computa????o Universidade Federal de Alagoas - UFAL Departamento de Tecnologia da Informa????o - TCI Constru????o de Conhecimento por Agrupamento de Dados - CoCADa
2005 Dec 05
2
Conflict RGtk tcltk
Hi everybody, I'm making an application using the package tcltk. Everything goes fine until I load the package RGtk. The interface doesn't work anymore. Is there any conflict between these packages? I thought about unloading the package RGtk but I don't know how to do that. Thanks, -- Talita Perciano Costa Leite Graduanda em Ci??ncia da Computa????o Universidade Federal de Alagoas
2005 Oct 31
1
Build R package with shared library
Hello to all, I am try to build a package, I do the follow commands: "R CMD check pack", "R CMD pack build" and run OK, no errors. I put my shared library in package subdirectory R, src, but it is not put a shared library ".so" in directory "/usr/lib/R/library/pack/lib". Below is my code : dyn.load("pack.so",PACKAGE="pack") argc<-2
2004 Apr 26
1
AIC and BIC
Hello I'm with a doubt using BIC and AIC. I want to know if both of then are a way to steem the best model to use. How i know which of then to choose? Talita Perciano Costa Leite Graduanda em Ci??ncia da Computa????o Universidade Federal de Alagoas - UFAL Departamento de Tecnologia da Informa????o - TCI Constru????o de Conhecimento por Agrupamento de Dados - CoCADa
2005 Dec 29
1
Problems with calloc function.
Hi all, I have a C code in Linux, it has 7 pointers and compile e run OK, but when I run in R happens problems with calloc function, it returns NULL. ############################################### > int *temp1,*temp2,*temp3,*temp4; temp1 = (int *)calloc(col,sizeof(int)); if(temp1 == NULL){ printf("\n\n No Memory1!"); exit(1); } temp2 = (int *)calloc(col,sizeof(int));
2005 Jun 27
2
Numerical accuracy
Hi people, I need to prove the good quality of numerical accuracy of R. Anyone knows a paper or anything else comparing R to other statistical softwares in terms of numerical accuracy. I've made a long search about that but I found nothing. Please help me!! Thanx, Talita Leite ------------------------------------------------- Este e-mail foi enviado pelo Webmail da UFAL IMP:
2005 Aug 18
1
Unload a library
Hi people, I'm developing an application (in Linux) using tcltk and calling ggobi from that application (using the Rggobi package). After I load ggobi and want to use the windows made by tcltk I get some errors and sometimes R cracks. I believe the problem is because the packages Rggobi, RGtk and tcltk are running together. I thought about a solution that would be unload the Rggobi and RGtk
2004 Jun 16
2
is.integer() (PR#6984)
Hello! I'm not sure if is it a BUG or not... I'm using R 1.9.0, and I used the command below: > is.integer(9) [1] FALSE R manual contains this words about the is.integer() function: "is.integer returns TRUE or FALSE depending on whether its argument is of integer type or not." What's the problem? Am I wrong about the BUG report? Thank you very much. M?rcio de
2004 Jun 08
1
Differential Equations
Hello! I would like to know if R can solve Differential Equations... I don't think so because, in my point, I see R like a Statistical System, not a Math System. Am I wrong? Thank you very much. M??rcio de Medeiros Ribeiro Graduando em Ci??ncia da Computa????o Departamento de Tecnologia da Informa????o - TCI Universidade Federal de Alagoas - UFAL Macei?? - Alagoas - Brasil Projeto CoCADa
2005 Nov 29
0
Error in plclust
Hi all, I need to plot a dendrogram, but I built a hclust object. Follow the code lines: >dendObject<-list(merge=merge,height=height,order=order,labels=labels,call="hclust(d=d)",method="complete", dist.method="euclidean") >class(dendObject)<-"hclust" >plclust(dendObject,axes=FALSE) Error in cl[[2]] : subscript out of bounds Anybody can help
2005 Nov 18
0
Problems with tkentry
Hello to all, I don't know almost nothing about Tcl/TK. I have the follow code: >Name <- tclVar("") >insert.Name <-tkentry(window1,width="20",objectvariable=Name) >tkplace(tklabel(window1,text=" Enter the matrix name:"),x=0,y=0) >tkplace(insert.Name,x=175,y=0) So, I need to pass the variable Name like parameter in R function. Ex:
2005 Dec 29
1
Segmetation Fault in R
Hi all, I has a C code in Linux, it has 7 pointers and compile e run OK, but when I run in R happens Segmetation Fault. When I use calloc function, it returns NULL. What's wrong? I would like more information about R-alloc function? Thanks! -- Marcelo Damasceno de Melo Graduando em Ciência da Computação Departamento de Tecnologia da Informação - TCI Universidade Federal de Alagoas - UFAL
2009 Jun 15
4
reading Excel file
Dear all,   I was using older version of R (installed early). I install new version of R (R.2.9.0) but i could not find package "xlsReadWrite" to read Excel file. Is there any alternatives to read Excel file ? I hope it should be. I need help although it is minor querry. Thanks in advance.   Sincerely, Ram Kumar Basnet Wageningen University, The Netherlands   [[alternative HTML
2009 Apr 26
1
Generate ramified structures
Hello, I would like to generate ramified structures like plant root systems, river networks or trees and save the generated structure as an image. Does anyone knows if there is a way to do that with R? Thank you in advance, Talita [[alternative HTML version deleted]]
2004 Apr 13
3
model-based clustering
Hello, I'm trying to use the model-based clustering functions R provides but i'm having some difficulties. Does anybody could help me how to make a good analisys of a data set with these functions??
2009 Apr 27
1
Julia set in R
Dear R People: Has anyone produced code for a Julia set, please? It's not all that tough to do, just thought I'd check before re-inventing the wheel. Thanks, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston - Downtown mailto: erinm.hodgess at gmail.com