search for: datsets

Displaying 10 results from an estimated 10 matches for "datsets".

Did you mean: datasets
2015 May 29
3
Mi script R es muy lento
Hola, quiero compartir con vosotros mi problema y la solución que me han planteado. Mi programa carga Outcomes.csv y Set-A.csv (descargados de http://garrickadenbuie.com/blog/2013/04/11/visualize-physionet-data-with-r/, apartado Getting Started --> the code and the data set) de unos 50MB entre los dos. Mi código era: # Transforma csv a data frame seta <-
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
2015 Jun 01
2
Mi script R es muy lento
Hola Carlos, bueno la verdad es que mi pregunta era algo general, cuando no has usado data.table no parece muy intuitivo pasar de la forma de programar a la que estás más acostumbrado (bucles, notación matricial...) a esa otra. Aun no tengo un cálculo complejo concreto pero lo tendré que hacer... solo quería saber si se puede, y parece que sí, asi que será cuestión de empaparse un poco de
2013 Nov 21
1
how can I import a number of datsets in a folder in my working directory to a list in R
Hi, Suppose, if I create 15 files in my working directory. set.seed(48) lapply(1:15,function(i) {m1 <- matrix(sample(1:20,1686*2,replace=TRUE),nrow=1686,ncol=2); write.table(m1,paste0("file_",i,".txt"),row.names=FALSE,quote=FALSE)}) ?D <-dir() D1 <- D[order(as.numeric(gsub("\\D+","",D)))] D1 ?res <- t(sapply(D1,function(x) {x1<-
2014 Nov 14
3
Cómo aplicar weights a las observaciones en un GLM binomial
Hola, espero ser clara en el mensaje ya que es la primera vez que recurro a este tipo de ayudas, explico mi duda: Tengo un dataset con 4505 observaciones en el que la variable dependiente son presencias (n=97 y clasificadas como 1) y ausencias (n=4408 y clasificadas como 0). Mi primer paso fue realizar un GLM con una muestra compensada de ausencias y presencias para la variable dependiente, es
2007 Jun 14
0
nlsList problems: control option does not effect output and strange environment search
Dear R-helpers, I'm using R 2.5.0 under Windows and am trying to use nlsList from nlme 3.1-80 with the selfstart function for the four parametric logistic function. My first test went well, but now I'm trying to do some more sophisticated things and it does not work anymore. I simulate my data from a five parametric logistic function like this:
2006 Nov 16
3
Newbie problem ... Forest plot
Hello! I have some data stored into 2 separate csv file. 1 file (called A.csv) (12 results named Group1, Group2, Group3, etc...) odds ratios, 2 file (called B.csv) 12 corresponded errors. How to import that data into R and make forest plot like I saw inside help file Rmeta and meta with included different font colors and names trough X and Y axis. I know for meta libb ... out <-
2007 Jun 14
2
function with xyplot
Hi, I'm a new user trying to switch from SAS, so sorry for the beginner's question: Suppose I have a dataframe DF that contains variables X,Y,Z. I am trying to write a function like this: myplot <- function(varname){xyplot(varname ~ Y, group = Z, data = DF)}. The problem is then how to enter X into my function. If I write myplot("X") I get an error because the argument is a
2013 Feb 04
1
Problem loading hdf5 file
*Hi everyone, I am a new subscriber, so I hope I'm posting in the right way. I need to load a hdf5 file, so I installed the hdf5 libraries ad the hdf5 R package; in downloaded a small sample file from the hdf5 website and I could correctly load it. But when I try to load my file: * require(hdf5) rm(list=ls()) ls() hdf5load("my_file.h5", verbosity=3) *I get this error message: *