Re: [R] Problems installing IsoriX package in R

2017-05-06 Thread Vikash Kumar
Install the dependent packages also. Try - install.packages("proxy") #then install.packages("IsoriX") Regards, Vikash Virus-free. www.avast.com

Re: [R] Predictive analysis based on past data

2016-12-28 Thread Vikash Kumar
Collaborative filtering will be helpful. Regards, Vikash On Wed, Dec 28, 2016 at 3:53 PM, Winson Lui wrote: > HI, > > I have a historical dataset which tells who bought our products. This > dataset contains ID, Age, Gender and Salary. > I have another set of data which contains the four fields

Re: [R] Retrieving lists of colnames

2014-10-16 Thread Vikash Kumar
;-data.frame(data) *> names(data[,which(apply(data,2,FUN = function(x){all(x>6)}))])* [1] "d" "e" Thanks On Thu, Oct 16, 2014 at 3:26 PM, PIKAL Petr wrote: > Hi > > > -Original Message- > > From: r-help-boun...@r-project.org [mailto:r-help-b

Re: [R] Retrieving lists of colnames

2014-10-15 Thread Vikash Kumar
Hi Adam, I guess below code would help you achieve the desired ouput. > colnames(data[,which(apply(data,2,FUN = function(x){any(x>0.5)}))]) Happy Learning! Vikash On Wed, Oct 15, 2014 at 5:53 PM, adam.n.jenkin...@gmail.com < adam.n.jenkin...@gmail.com> wrote: > > > Hi what I have is a large e

Re: [R] how to loop through dataframe objects in environment

2014-10-15 Thread Vikash Kumar
Hi Stephen, Try out lapply(). It would help you loop through all data frames and sum. Regards, Vikash On Thu, Oct 16, 2014 at 1:58 AM, Stephen HK Wong wrote: > Dear All, > > I have many 50 objects they are all dataframes. Each dataframe has many > rows and four column. I simply want to do an