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Hello, I'm new with R. I need some help; I have a matrix of data to wich i want to apply the function dudi.acm to perform multiple correspondence analysis. However to use it all variables must be factors, so how can i turn each column of the matrix into a factor? I've tried as.factor. It works isolated for each column, but when I form the matrix of all factors it doesnt work. Please

Lista dos aprovados em concurso Matriz de Camaragibe: Ant?nio Jo?o: ADEL?ENNE KIRLEY, JULIANA RODRIGUES ALVES, ERICH DOUGLAS MOREIRA CHAVES, MAYSA RAQUEL DA SILVA, JO?O CARLOS MOREIRA DE CARVALHO, CARLOS ALEXANDRE SILVA DE LIMA, MANOEL LEYVSON MACHADO MATOS, IANN MARZZO SAMPAIO LIBOS. ROBERTO BEZERRA FERREIRA, DIONE MARIA DA SILVA, MARIANA COSTA OLIVEIRA, JORGE ROBERTO PRUDENCIO NASCIMENTO,

hello, i'm new in writting functions in R. I read the R-help manuals but still couldn't get it right. The problem is: I have data on 16 categorical variables for 335 individuals. the data are lines for individuals and columns for variables. I want to calculate the correlation between two variables using a formula given by Agresti for ordinal categorical variables. I have to calcule the

I am using R-1.8.0 on Debian. I'm trying to read in a large table (1441*16) which currently has no header line. I have set up a list of column names which is 16 names long. when i try the following: myfiledate.01<-read.table("filenamedate.01",row.names=NULL,col.names="names",na.strings="-999.00") I am returned with an error saying there are more columsh

Hi Folks, I am dealing with data which have been presented as at each x_i, mean m_i of the y-values at x_i, sd s_i of the y-values at x_i number n_i of the y-values at x_i and I want to linearly regress y on x. There does not seem to be an option to 'lm' which can deal with such data directly, though the regression problem could be algebraically

Hi. I encountered a following problem, if I state for example: package{"aspell-en": ensure => absent, } package{"aspell": ensure => absent, } I get error in logs because of dependencies. It seems that puppet uses ''yum'' for installation on CentOS and ''rpm -e'' for removal of packages, so it cannot handle this kind of dependencies: