On 29/02/2012 12:45, R. Michael Weylandt wrote:
I don't use Access but my general impression is that the advantages it
brings will be similar to those brought by any other database:
performance rather than ability -- they are both Turing complete after
all, after some trickery on the SQL end.
Databases allow much larger data sets than R currently does and often
But not much larger in Access than 64-bit R allows: Access is a pretty
limited system.
allow faster queries -- some would argue the SQL syntax is clearer for
some subsetting operations, but that's perhaps a function of
familiarity. For the task you describe, it should be elementary in
both platforms and I'd just use whichever one the data was already in.
For more substantive data analysis, you almost certainly want to use
R.
Others with Access experience (or more SQL) can add more.
Access does not bring the performance benefits of more advanced DBMS
engines: on Windows I would certainly recommend using SQL Server Express
(or whatever it is currently called) instead. If you want to use a DBMS
to supplement R (as per the R Data Import/Export manual) I would use
MySQL or SQLite.
Michael
On Tue, Feb 28, 2012 at 6:06 PM, Trying To learn again
<tryingtolearnag...@gmail.com> wrote:
Hi all,
I´m new using Access. I see that many things that you can do on Access you
can do on CRAN R but not on contrary.
My question is: Is there any manual with examples comparing how to do data
base analysis on access and making the same on CRAN R?
Imagine I want to compare two columns "Name" of two different data bases. I
want to see if there are "identical" names on both files.
'files'? Where are the data? If you mean different tables in one
Access database then I would still do this in R via RODBC.
It is better to use Access? Or it is better to use cran r (importing data
and work on CRAN R)?
This is only an example.
I know CRAN R is more specialized on statistics and data analysis but I ´m
trying not to learn Access and SQL so on.
In which case you can simply use RODBC to import tables to R and work there.
I cannot explain better I hope you comprehed me.
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--
Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
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