[R] Help with first S3-class

Martin Møller Skarbiniks Pedersen traxplayer at gmail.com
Wed Jan 3 13:11:17 CET 2018

On 3 January 2018 at 08:36, Jeff Newmiller <jdnewmil at dcn.davis.ca.us> wrote:
> Function arguments are not pass-by-reference... they are pass-by-value. You need to return the altered object to the caller when you are done messing with it.

Of course. Now it is working.

> Note that R is a data processing language... your example will not scale to real world use cases because you make no use of vectorization to handle multiple accounts.

> It is better to focus on the functional aspect of computing and let the objects carry the results until you have a chance to summarize or plot them.  Study the "lm" function and associated print and plot methods.

Thanks for these suggestions. It is very helpful.


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