[R] RStudio blank upon opening

I'm having a problem: RStudio (on  desktop comp) blank upon opening (after I update Win7). I tried different things (reinstalled R and RStudio, backuping  RStudio settings folder... etc)! C an I launch Rstudio direct from RGui(32bit)? or some else way to solve this problem? Thanks! P.S. I  laun

[R] Adjusted survival curves

For adjusted survival curves I took the sample code from here: https://rpubs.com/daspringate/survival and adapted for my date, but got error. I would like to understand what is my mistake. Thanks! #ADAPTATION FOR MY DATA library(survival) library(survminer) df<-read.csv("F:/R/data/base.csv", hea

Re: [R] How (in general) take out data sets (available in the packages)?

Suzen, thank you very much for your so useful information (I will try to understand it)! And my sincere gratitude to the moderator! >"Suzen, Mehmet" < msu...@gmail.com >: >I also suggest you Hadley's optimized package for interoperating xls >files with R: >https://github.com/tidyverse/readxl >htt

[R] Selection of regressors

I have a question about the package leaps which I am using for model selection. I would like to compare 4 different selection methods: forward, backward, stepwise and best subset. I used the code below: library(leaps) forward <- regsubsets(Response ~.,data = mydata, method = "forward", nbest=1) b

[R] How to create a dendrogram with colored branches

Hi I would like to create a dendrogram in R which has colored branches, like the one shown below. So far I used following commands to create a standard dendrogram: d <- dist(as.matrix(data[,29])) # find distance matrix hc <- hcl

Re: [R] Scatter plot with error bars

Thank you very much for your help ! -- View this message in context: http://r.789695.n4.nabble.com/Scatter-plot-with-error-bars-tp4670502p4670530.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https

[R] Scatter plot with error bars

Hi I would like to plot multiple data sets on a scatter plot with error bars. To do this I write the following code: install.packages("Hmisc") library(Hmisc) x1<-data1[,1] y1<-data1[,2] x2<-data2[,1] y2<-data2[,2] x3<-data3[,1] y3<-data3[,2] SD1<-data1[,3] SD2<-data2[,3] SD3<-data3[,4] delta<-

[R] Coefficients paths - comparison of ridge, lasso and elastic net regression

I would like to compare models selected with ridge, lasso and elastic net. Fig. below shows coefficients paths using all 3 methods: ridge (Fig A, alpha=0), lasso (Fig B; alpha=1) and elastic net (Fig C; alpha=0.5). The optimal solution depends on the selected value of lambda, which is chosen based

Re: [R] How to write a loop in R to select multiple regression model and validate it ?

This is not a homework but part of my research. -- View this message in context: http://r.789695.n4.nabble.com/How-to-write-a-loop-in-R-to-select-multiple-regression-model-and-validate-it-tp4668669p4668720.html Sent from the R help mailing list archive at Nabble.com. _

[R] How to write a loop in R to select multiple regression model and validate it ?

I would like to run a loop in R. I have never done this before, so I would be very grateful for your help ! 1. I have a sample set: 25 objects. I would like to draw 1 object from it and use it as a test set for my future external validation. The remaining 24 objects I would like to use as a traini

[R] How to write a loop in R to select multiple regression model and validate it ?

I would like to run a loop in R. I have never done this before, so I would be very grateful for your help ! 1. I have a sample set: 25 objects. I would like to draw 1 object from it and use it as a test set for my future external validation. The remaining 24 objects I would like to use as a traini

[R] how to do an external validation with R

I would like to do external validation using R software. So far I have used packages like "Design" and "DAAG". However they perform internal validation rather than external one. In order to perform external validation I would have to split my data beforehand into training and test set, leave the te