select where u is (] #~ u) fromthis
joins can be a bit tricky (though as Chris mentioned you can consider jd or
jdb). You can also look up inverted tables on wiki.
Some extra options in J when working with data is to separate your tables by
data type so that you have a lot of 1 to 1 relation
It really depends on your data and queries. You could either do these
directly in J or using the Jd database (which has a fast csv reader and
SQL-like queries).
Could you give us some simple examples?
On Sun, Dec 7, 2014 at 6:57 PM, Ryan wrote:
> I appreciate how helpful this forum has been so
I appreciate how helpful this forum has been so far so I'd thought I'd
ask another question.
Essentially, can someone point me to how J users perform the basic
data manipulation operations that you can do, for example, using R's
dplyr or SQL queries?
Specifically, I want to be able to (mainly o
