[R] Objective: to create a Joint Probability Table and save as a csv file (with headers).Input: A csv file (with headers) containing raw data, arranged by columns.Variable: number of bins for each column of data, default to 5 bins per column.Data
istazahn at gmail.com
Tue May 4 07:20:37 CEST 2010
I couldn't make it though that excel worksheet without my eyes glazing
over... but do you want something like
tab <- xtabs(~cyl + gear, data=mtcars)
On Mon, May 3, 2010 at 10:08 PM, Roscoe <Roscoe at exemail.com.au> wrote:
> Dear R-Help,
> First post, be gentle...
> I am new to R: I can perform basic functions using R code - import and
> export data, load packages and not much else at this stage.
> Objective: to create a Joint Probability Table and save as a csv file
> (with headers).
> Input: A csv file (with headers) containing raw data, arranged by
> Variable: number of bins for each column of data, default to 5 bins
> per column.
> Data import and export in R I can do, however I am a complete n00b at
> this type of statistical processing and I would really appreciate some
> guidance please.
> I want to take the input data and create, as final output, a Joint
> Probability Table. I can do this manually in Excel, however I am
> hoping that there is a better and more repeatable way to do so in R.
> An example of the steps taken is available in an Excel spreadsheet at
> Is what I am attempting to do covered by some available function(s) or
> package(s) in R? After spending a while searching the manual and the
> various on-line help pages for Joint Probability Table I am
> beginning to suspect that it may not be, but my lack of experience in
> both stats and R could well mean that I am missing the clues.
> Thanks in advance.
> Warm regards,
> Ross Bond mail to: Roscoe at Exemail.com.au
> Bundaberg, Qld
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
University of Rochester
Department of Clinical and Social Psychology
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