Rakknar ha scritto:
Hello everybody. I've been learning R for about a month to do a
econometric study and now i'm stuck with some problems to make R do the
things I want. Here I give the list of things I wanna do from the most
simple to the more complex (for me of course):
1. Make a log. I've been using Stata and there i have a great tool to
register what the program do: the log file, wich it's a simple .txt file
where Stata writes every output it makes (not graphics of course). When I
wanted to make the same thing with R I started to use the function sink()
but it only register the results of the commands (summaries for example) and
not the commands itself, witch it's really uncomfortable because it's harder
to find out to witch command that results come from.
2. Saving objects in a .Rdata step by step. I want to save several
regressions of interest in one .Rdata file. I want to save this results one
by one. For example: make regression 1, save the result in the .Rdata file;
then make the regression 2 and save the results in the same .Rdata file. I
know I could make all the regressions and save the results all at once but
for the kind of study I want to make It would be much useful this way. I've
been using function save() but I only could save one result or all.
As far as I can understand, you are running the commands from the
command line, right ?
I did this at the very beginning, but then I realize that are better way
of dealing with R, that is let R do the calculations and other software
do the editing of the scripts, saving data, code and so on.
Consider the use of emacs + ESS + R.
http://ess.r-project.org/
This will complicate things a little more, (A LOT !) but you will not
regret the time spent in learning.
Emacs will be useful in MANY other ways.
--
Ottorino-Luca Pantani, Università di Firenze
Dip. Scienza del Suolo e Nutrizione della Pianta
P.zle Cascine 28 50144 Firenze Italia
Tel 39 055 3288 202 (348 lab) Fax 39 055 333 273
olpant...@unifi.it http://www4.unifi.it/dssnp/
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