In R, how can I combine two columns within a data.frame

In R, how can I combine two columns within a data.frame



1.An Introduction to R - Cran

Description:1.2 Related software and documentation. R can be regarded as
an implementation of the S language which was developed at Bell
Laboratories by Rick Becker, John ...



2.R for Ecologists - Montana State University

Description:Data Frames. Data frames can be accessed exactly as can
matrices, but can also be accessed by data frame and column or field name,
without knowing the column number ...



3.R & Bioconductor - Manuals

Description:This R tutorial provides a condensed introduction into the
usage of the R environment and its utilities for general data analysis and
clustering.



4.R is my friend - 'R challenge is like the Rubik's cube of ...

Description:The plotting function can also now be used with an arbitrary
weight vector, rather than a specific model object. The struct argument
must also be included if this ...



5.Getting started with R - an introduction to using and ...

Description:See also the introduction to R here. There's also an R wiki
with lots of useful information, tips etc. The online help pages can be
accessed as follows:



6.sqldf - SQL select on R data frames - Google Project Hosting

Description:SQL select on R data frames. To write it, it took three
months; to conceive it – three minutes; to collect the data in it – all my
life. F. Scott Fitzgerald ...



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8.R access data - data input/output using R

Description:An introduction to reading and writing data into and out of R,
assembling basic R data structures and storing data.



9.Statistical Computing with R: A tutorial - Welcome to the ...

Description:0.1. What is R? R is a software package especially suitable
for data analysis and graphical representation. Functions and results of
analysis are all stored as ...



10.Columns - CBSSports.com

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