similar to: RMySQL

Displaying 20 results from an estimated 600 matches similar to: "RMySQL"

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
2005 Feb 22
1
Loading C functions into R
Hi everybody, I have the source of a C program that includes some archives .c and some libraries .h. I'm developing a program using R and I want it to load the C program I told before. How can I do that? I was looking for some function in R to do that and I found the .C() but I can't understand how it works. Somebody could help me? Thanx, Talita Perciano Costa Leite Graduanda em
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
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));
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 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
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
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
2003 Nov 12
2
Using tcltk language with R system
Hello, Does anybody know how can i call a R function in a tcltk file? I made a tcltk file, but I need call functions in R. i.e: in R I can put .Tcl("tcltk statement"). There are a same command to call R in a tcltk file? I want to make a R Gui using tcltk language, do you recommend use a tcltk or a R pack tcltk and don't use tcltk language? Thanks for your attention.
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??