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RCallerService

RCallerService is a microservice for running R-scripts in forecast models written in different other languages.

Based on https://github.com/jbytecode/rcaller/tree/master/RCaller library.

If you are running it without Docker, you should also install R itself. The Docker image can be found at https://hub.docker.com/r/kopilov/rcallerservice

For executing a script send it as a body of POST request to URL

/<result_type>?result=<result_name>[&timeout=<timeout_value_in_seconds>]

Supported result types:

* double_array
* text_array
* text

Output format: csv

Example

Start the service (in Docker by docker run -it --net=host kopilov/rcallerservice:1.0.1 or directly on the system by java -jar rcallerservice.jar --port=8080)

Prepare the script such as

v <- 1:9;
v * 10 -> u;

Put it in a file named like example.r

Run the query: curl --data-binary @example.r http://127.0.0.1:8080/double_array?result=u
The output should be 10.0;20.0;30.0;40.0;50.0;60.0;70.0;80.0;90.0