[R] Large data sets and aggregation

[Egon Schmid]

Douglas Bates wrote:

> This interface allows us to do all the large scale data manipulation
> in MySQL then extract pieces for modeling within R.  There are many
> advantages to this approach including speed, data persistence,
> simultaneous access to the data by several users, etc.  The main
> disadvantage is the need to learn yet another language (SQL) to do the
> manipulations.  I have found Paul Dubois's book "MySQL" to be a very
> good way to learn MySQL.  The first chapter alone is worth the cost of
> the book.

I know, the book by Paul DuBois is the best book I have read about
MySQL. But why don't you use PHP?

-Egon

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