[R] help using function merge_all()

2010-11-16 Thread arjun
Hi, I want to merge 4 data frames with one column in common but I am getting error message while using this function. Can any one help me out. > merge_all(Br,Ki,Lu,Pr,by="Genes") Error: could not find function "merge_all" I have installed the package: reshape but I still get this error -

Re: [R] help using function merge_all()

2010-11-16 Thread arjun
Hi Josh, Thanks for your reply. While I am loading the package, it says package plyr is required and I tried to install plyr package but I am unable to do so because it is giving an error message as shown below. Please help me. library(reshape) Loading required pa

Re: [R] help using function merge_all()

2010-11-16 Thread arjun
Hi Josh, I thought of giving up and started writing code in excel using VBA but then I saw ur message and gave a try in R. I got it, the location from which I am calling the package "plyr" is not working out so called from different CRANmirror location and then I was able load the pac

[R] Streaming data connection in R

2015-01-06 Thread Arjun Satya
Hello, Is there a way to establish connection between Kafka and R? I know it exists for Hadoop and R. In big db architecture, I have Cassandra(storage), Spark(aggregation) and Kafka(read/write). Thanks, Arjun Satya We raise our voice, so that our echo may shape a better tomorrow. TIMES

[R] trouble installing quantreg packages

2008-01-28 Thread Arjun Adhikari
is package? Sincerely Arjun Adhikari -- Doctoral Instructional Assistant Texas State University Department of Biology 601 University Dr. San Marcos, TX, 78666, USA Executive Editor Himalayan Journal of Sciences www.himjsci.com [[alternative HTML versi

[R] Aggregating by a grouping

2007-12-19 Thread Kondamani, Arjun (GMI - NY Corporate Bonds)
Suppose I have: BookValue A 10 B 11 C 9 D 8 A 12 C 4 D 5 B 7 I want to summarize above not by Book but by groupings of Books as in (below) I have a list ... basic_map <- list(c("A",B"),c("

[R] Rbind-ing a list into one item

2007-12-26 Thread Kondamani, Arjun (GMI - NY Corporate Bonds)
Hi, I am doing the following: 1. I have a list of files.. Files1=list.files("some directory",pattern="some pattern") 2. I define a list as res=vector("list", length(files1)) 3. I read all the files into this list: res=lapply(files1, read.csv) I now want to rowbind all the items in the list into

[R] Error with rbind and zoo

2008-01-07 Thread Kondamani, Arjun (GMI - NY Corporate Bonds)
Hi all: I have a directory of files as in -> bunchafiles <- list.files(path="/data/2.3/2006", pattern="returns", full.names=T,recursive=T) Each file is a bunch of returns for a particular date (unique). There are like 252 files or so. With a custom function myread (below), I def

[R] Extracting last time value

2008-01-10 Thread Kondamani, Arjun (GMI - NY Corporate Bonds)
I have a dataframe as follows: Datetimevalue 2011062011:18:007 2011062011:39:009 2011062111:41:008 2011062111:40:006 2011062214:05:008 2011062214:06:006 For every date, I want t

Re: [R] Extracting last time value

2008-01-11 Thread Kondamani, Arjun (GMI - NY Corporate Bonds)
Thank you, Gabor, Jim, and Achim!! All of your suggestions/pointers were extremely useful. -Original Message- From: Gabor Grothendieck [mailto:[EMAIL PROTECTED] Sent: Thursday, January 10, 2008 7:46 PM To: Kondamani, Arjun (GMI - NY Corporate Bonds) Cc: r-help@r-project.org Subject: Re

[R] Re-Casting

2008-01-11 Thread Kondamani, Arjun (GMI - NY Corporate Bonds)
R-experts, I have a bunch of files (by date) that I can read into dataframes as below. df$today: identifier rtgmdy rtgmdy_dt rtgmdy_watchrtgmdy_nowatch rtgmdy_watch_dt rtgsp rtgsp_dt 31031 Aa3 20050701