Does any one know exactly what's the utility of this line code " r.exec("C:/Users/May/Desktop/test/c5.0 -f C:/Users/May/Desktop/test/see5/rating") "

Question

This is the line code :

r.exec("C:/Users/May/Desktop/test/c5.0 -f C:/Users/May/Desktop/test/see5/rating");

The problem is that I didn't understand the meaning cause I forked the project and I have to change it so to fit my needs. Please can anyone help me?

score 2 · Answer 1 · answered Jun 08 '16 at 09:53

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It says "I'm not going to do things in Java anymore, and instead run the command line program called c5.0."

Specifically it expects there to be an executable program on your filesystem at "C:/Users/May/Desktop/test/c5.0", and that program also takes some input also on your filesystem at "C:/Users/May/Desktop/test/see5/rating".

A google search suggests C5.0 may be a data mining routine called RuleQuest(?).

answered Jun 08 '16 at 09:53

Jeff G

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It's a little bit more clear. I'm going to see the link proposed – imenbouh Jun 08 '16 at 10:03

score 1 · Answer 2 · answered Jun 08 '16 at 09:51

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Looks like it's invoking an external program

C:/Users/May/Desktop/test/c5.0

You need to find out what that is.

answered Jun 08 '16 at 09:51

robert

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score 0 · Accepted Answer · answered Jun 08 '16 at 10:02

In your code, r represents runtime object

Runtime r = Runtime.getRuntime();

which is calling process exec() method with a system command specified.

C5.0 is a RuleQuest Research Data Mining Tool.

Format to call c5.0 is :

c5.0 -f <filestem> [options]

This invokes C5.0 with the -f option that identifies the application name

So C:/Users/May/Desktop/test/see5/rating should be application name.

Does any one know exactly what's the utility of this line code " r.exec("C:/Users/May/Desktop/test/c5.0 -f C:/Users/May/Desktop/test/see5/rating") "

3 Answers3