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André Almeida 2019-05-09 09:10:31 -07:00
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@ -12,7 +12,41 @@ This repository have two different exercises in erlang:
* The probability of making a medication/treatment 2 and staying OK is 62%;
* The probability of making a medication/treatment 2 and getting KO is 38%.
![alt text](https://i.postimg.cc/5207cpvs/Captura-de-ecr-2019-04-09-s-13-06-01.png)
```
-module(engine).
-compile([export_all]).
% Decision Tree
%
% +----+
% +---> OK |
% | +----+
% |
% +----------| +----+
% | DO MED 1 +---> KO |
% +----------+ +----+ +----+
% | +---> OK |
% | +---------------| +----+
% +---> DO MED 2 +
% +---------------| +----+
% +---> KO |
% +----+
% Each edge can be calculated from the table
doAll() ->
T = dec_tree:start(),
T ! {create_node, 'DO MED1', 0, none},
T ! {create_node, 'MED1 OK', 0.980, 'DO MED1'},
T ! {create_node, 'MED1 KO', 0.225, 'DO MED1'},
T ! {create_node, 'DO MED2', 0.356, 'DO MED1'},
T ! {create_node, 'MED 2 OK', 0.62, 'DO MED2'},
T ! {create_node, 'MED 2 KO', 0.38, 'DO MED2'},
T ! {solve}.
```