[R] Dependency Injection & Inversion of Control for Data

William Dunlap wdunlap at tibco.com
Tue Jul 29 18:57:09 CEST 2014

R is a functional language so you might want to google for 'dependency
injection functional language' and see why dependency injection is not
a hot concept in R.

Bill Dunlap
TIBCO Software
wdunlap tibco.com

On Tue, Jul 29, 2014 at 9:02 AM, Reed Spool <reed at graphicacy.com> wrote:
> Greetings,
> New to R, coming from Java (Spring).
> We have many different data sources (CSV's) for our analysis. Some of them
> need preprocessing at the time of analysis - doing it earlier and saving
> the resultant table doesn't make sense.
> My code is getting tangled quickly as I try to read.csv my many data files
> and source both the preprocessing stuff as well as my analysis code.
> I'm hoping for a streamlined method of injecting the data/code needed into
> my analysis code, instead of imperatively sorting everything out at the top
> of my analysis code.
> Googling "Dependency Injection R" and "Inversion of Control R" gave nothing
> useful. Searching for "Dependency Management" brought me to the packrat
> package, but that doesn't seem to have the injection element I'm looking
> for (as I would expect from such a system).
> Am I barking up the wrong tree? I can't imagine my problem is a new one.
> How do you solve it?
> Cheers,
> Reed
>         [[alternative HTML version deleted]]
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