javascript coding - multiple inputs and outputs, and looking up outputs

Question

I am trying to code the following:

there will be six inputs, say 1,2,3,4,5,6

inputs 2-6 have two possible options (say yes and no)

input 1 has seven possible options (say a-g)

depending on which inputs are selected, a specific output will be generated.

So if you had - a, yes, yes, no, no, no - it would generate outcome 'x'

I have managed to create a list with all the possible input combinations (using python):

list = [[23,24,25,26,27,28,29],["male","female"],["true","false"],["true","false"],["true","false"],["true","false"]]

r=[[]]
for e in list:
    table = []
    for item in e:
            for i in r:
                table.append(i+[item])
    r = table

print r

My next stage is to allocate an outcome to each of these options. I guess the best way to do this is just append the output to each list item so that

for e in index, if e[0]-e[5] matches the input then print out e[6]

Is this an ok way to do it?

EDIT

Just to make it clearer I just thought I'd explain what I am actually trying to do. It's a free tool for doctors (I'm a doc - it's not for commercial purposes just to improve patient care).

It is a way of calculating risk for the patient, so there will be five questions the doc will input - e.g. male/female etc and depending on their inputs it will produce the outcome as a % risk for the patient. We are using years of previous patient outcome data to produce the table of outcome.

So 7*2*2*2*2*2 is 224 possible outcomes. You're saying you want to hard code all of those into a giant map of some sort? — Mike Christensen
– Mike Christensen, Commented Jun 6, 2012 at 15:02
Any more context available? Got any code you've tried already (regardless of language)? — Daniel Attfield
– Daniel Attfield, Commented Jun 6, 2012 at 15:02
Mike - yes, that's right. A giant map that I can then look up to match the input. — tessad
– tessad, Commented Jun 7, 2012 at 0:13
Daniel - thanks. I am at the very beginning and just trying to work out how to approach it. I'm going to get started with the idea below and see how I get on. Will post back with my progress — tessad
– tessad, Commented Jun 7, 2012 at 0:15

nhahtdh · Accepted Answer · 2012-06-06 15:01:34Z

2

You can think of input 2-6 as 5 bits (5 boolean values), and input 1 as 3 higher bits (to encode 7 values). Then loop from 0 to 223, and generate all the possible combination by decoding the number as the scheme above.

answered Jun 6, 2012 at 15:01

nhahtdh

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1 Comment

tessad Over a year ago

Thank you for this. I will get started with this and will post back to let you know how I get on. Much appreciated.

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