Using R to Unlock the Value of Big Data by Mark Hornick

Author:Mark Hornick
Language: eng
Format: epub
Tags: -
Publisher: McGraw Hill LLC
Published: 2013-06-03T00:00:00+00:00

Listing 5 Results for ORE Embedded R Execution Example 10

In Example 11, the arguments for num and scale are passed to the function. These appear as additional arguments to the ore.doEval function. Recall that in the ore.doEval function signature, these are represented as “...”. The names of these arguments are the same as those in the R function definition.

Example 11:

In Example 12, a named script "SimpleScript1" is created in the R script repository and invoked using ore.doEval with the argument FUN.NAME, which is the function name in the repository. The ability to store R scripts in the database and reference them by name is a major convenience when writing database applications that use results from R.

Example 12:

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