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Added analyse functions

This commit is contained in:
Thomas FORGIONE 2015-10-07 16:59:10 +02:00
parent 00fe3dfe34
commit ee9e58580a
5 changed files with 282 additions and 123 deletions
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126
analysis/analyse.js
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@ -1,43 +1,9 @@
// http://codereview.stackexchange.com/questions/37028/grouping-elements-in-array-by-multiple-properties var lib = require('./lib.js');
function groupBy(array, f)
{
var groups = {};
array.forEach(function(o) {
var group = JSON.stringify(f(o));
groups[group] = groups[group] || [];
groups[group].push(o);
});
return Object.keys(groups).map(function(group) {
return groups[group];
})
}
function compareRecommendationStyle(style1, style2) {
if (style1.recommendation_style[4] === 'B' && style2.recommendation_style[4] !== 'B') {
return -1;
}
if (style2.recommendation_style[4] === 'B' && style1.recommendation_style[4] !== 'B') {
return 1;
}
if (style1.recommendation_style[4] === 'V' && style2.recommendation_style[4] === 'A') {
return -1;
}
if (style2.recommendation_style[4] === 'V' && style1.recommendation_style[4] === 'A') {
return 1;
}
return 0;
}
function main(path) { function main(path) {
var db = JSON.parse(require('fs').readFileSync(path, 'utf8')); var db = lib.loadFromFile(path);
var groups = lib.makeGroups(db);
console.log(`There were ${db.users.length} users for ${db.experiments.length} experiments`); console.log(`There were ${db.users.length} users for ${db.experiments.length} experiments`);
@ -45,7 +11,6 @@ function main(path) {
var meanTimeArrow = 0; var meanTimeArrow = 0;
var meanTimeViewport = 0; var meanTimeViewport = 0;
var groups = makeGroups(db);
groups.forEach(function(elt) { groups.forEach(function(elt) {
var ok = true; var ok = true;
@ -73,43 +38,6 @@ function main(path) {
var value = minDifferences(groups); var value = minDifferences(groups);
console.log(value); console.log(value);
// for (var i = 0; i < db.experiments.length; i++) {
// var exp = db.experiments[i];
// var events = exp.elements.events;
// if (events.length === 0 || exp.user.worker_id === null) {
// continue;
// }
// var coins = [];
// for (var j = 0; j < exp.elements.events.length; j++) {
// if (exp.elements.events[j].type === 'coin') {
// if (coins.find(function(elt) { return elt.id === exp.elements.events[j].id; }) === undefined) {
// coins.push(exp.elements.events[j]);
// }
// }
// }
// console.log(`${exp.id} -> ${coins.length} (on ${exp.coinCombination.scene_id} )`);
// }
// console.log();
// for (var i = 0; i < db.users.length; i++) {
// var user = db.users[i];
// console.log(`${user.worker_id} has done ${user.experiments.length} experiments with rating ${user.rating}`);
// }
} }
function minDifference(exps) { function minDifference(exps) {
@ -179,54 +107,6 @@ function minDifferences(groups) {
} }
function experimentDuration(exp) {
var lastCoin = null;
for (var i = exp.elements.events.length - 1; i >= 0; i--) {
if (exp.elements.events[i].type === 'coin') {
lastCoin = exp.elements.events[i];
break;
}
}
return timeDifference(exp.elements.events[0].time, lastCoin.time);
}
function timeDifference(time1, time2) {
return new Date(time2).getTime() - new Date(time1).getTime();
}
function timeToString(_time) {
var time = _time / 1000;
return Math.floor(time / 3600) + 'h' + Math.floor((time % 3600) / 60) + 'm' + Math.floor(time % 60);
}
function makeGroups(db) {
var elements = [];
for (var i = 0; i < db.experiments.length; i++) {
if (db.experiments[i].coinCombination.scene_id !== 1 && db.experiments[i].elements.events.length !== 0) {
elements.push(db.experiments[i]);
}
}
return groupBy(elements, function(item) {
return item.coin_combination_id;//, item.user.rating];
});
}
if (process.argv.length !== 3) { if (process.argv.length !== 3) {
process.stderr.write('Error : please give me a JSON file to work on\n'); process.stderr.write('Error : please give me a JSON file to work on\n');
process.exit(-1); process.exit(-1);

182
analysis/lib.js Normal file
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@ -0,0 +1,182 @@
var Lib = module.exports;
// http://codereview.stackexchange.com/questions/37028/grouping-elements-in-array-by-multiple-properties
Lib.groupBy = function(array, f)
{
var groups = {};
array.forEach(function(o) {
var group = JSON.stringify(f(o));
groups[group] = groups[group] || [];
groups[group].push(o);
});
return Object.keys(groups).map(function(group) {
return groups[group];
});
};
function letterToInt(letter) {
switch (letter) {
case 'B': return 0;
case 'V': return 1;
case 'A': return 2;
default: return null;
}
}
Lib.compareRecommendationStyle = function(style1, style2) {
return letterToInt(style1.recommendation_style[4]) - letterToInt(style2.recommendation_style[4]);
};
Lib.experimentDuration = function(exp) {
if (exp === undefined) {
return;
}
var lastCoin = null;
for (var i = exp.elements.events.length - 1; i >= 0; i--) {
if (exp.elements.events[i].type === 'coin') {
lastCoin = exp.elements.events[i];
break;
}
}
return Lib.timeDifference(exp.elements.events[0].time, lastCoin.time);
};
Lib.max = function(elt1, elt2) {
if (elt1 === undefined)
return elt2;
if (elt2 === undefined)
return elt1;
return Math.max(elt1,elt2);
};
Lib.min = function(elt1, elt2) {
if (elt1 === undefined)
return elt2;
if (elt2 === undefined)
return elt1;
return Math.min(elt1,elt2);
};
Lib.timeDifference = function(time1, time2) {
return new Date(time2).getTime() - new Date(time1).getTime();
};
Lib.timeToString = function(_time) {
var time = _time / 1000;
return Math.floor(time / 3600) + 'h' + Math.floor((time % 3600) / 60) + 'm' + Math.floor(time % 60);
};
Lib.makeGroups = function(db) {
var elements = [];
for (var i = 0; i < db.experiments.length; i++) {
if (db.experiments[i].coinCombination.scene_id !== 1 && db.experiments[i].elements.events.length !== 0) {
elements.push(db.experiments[i]);
}
}
return Lib.groupBy(elements, function(item) {
return item.coin_combination_id;//, item.user.rating];
});
};
Lib.loadFromFile = function(path) {
return JSON.parse(require('fs').readFileSync(path, 'utf8'));
};
Lib.toMatlabArray = function(name, array) {
var str = name + ' = [ ';
array.forEach(function(elt) { str += ' ' + elt + ' '; });
str += '];\n';
return str;
};
// http://stackoverflow.com/questions/3895478/
Lib.range = function(start, stop, step, computation) {
if (typeof step === 'function') {
computation = step;
step = 1;
}
if (computation === undefined) {
computation = function(i) { return i; };
}
if (step === undefined) {
step = 1;
}
var a = [];
while (start < stop) {
a.push(computation(start));
start += step;
}
return a;
};
// Simplified version
Lib.numberOfInteraction = function(exp) {
if (exp === undefined) {
return;
}
for (var i = exp.elements.events.length - 1; i >= 0; i--) {
if (exp.elements.events[i].type === 'coin') {
// lastCoin = exp.elements.events[i];
break;
}
}
return i;
};

7
analysis/matlab/script.m Normal file
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@ -0,0 +1,7 @@
var;
plot(X,Y1);
hold on;
plot(X, Y2, 'red');
hold on;
plot(X, Y3, 'green');
legend('Without recommendation', 'Worst with recommendation', 'Best with recommendation');

45
analysis/numberOfInteractionCurve.js Normal file
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@ -0,0 +1,45 @@
// Shows with and without : time to last coin = f(CoinCombination)
var lib = require('./lib.js');
function main(path) {
var db = lib.loadFromFile(path);
var groups = lib.makeGroups(db);
// Erase groups that are not usable
groups = groups.filter(function(elt) {
// An elt is valid if it contains at least 2 exp, BaseRecommendation included
return elt.length > 1 && elt.find(function(e) { return e.recommendation_style[4] === 'B'; }) !== undefined;
});
groups.forEach(function(elt) {
elt.sort(lib.compareRecommendationStyle);
});
console.log(lib.toMatlabArray('X', lib.range(0, groups.length)));
console.log(lib.toMatlabArray('Y1', lib.range(0, groups.length, function(i) {
return lib.numberOfInteraction(groups[i][0]);
})));
console.log(lib.toMatlabArray('Y2', lib.range(0, groups.length, function(i) {
return lib.max(lib.numberOfInteraction(groups[i][1]), lib.numberOfInteraction(groups[i][2]));
})));
console.log(lib.toMatlabArray('Y3', lib.range(0, groups.length, function(i) {
return lib.min(lib.numberOfInteraction(groups[i][1]), lib.numberOfInteraction(groups[i][2]));
})));
}
if (process.argv.length !== 3) {
process.stderr.write('Error : please give me a JSON file to work on\n');
process.exit(-1);
}
main(process.argv[2]);

45
analysis/timeCurve.js Normal file
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@ -0,0 +1,45 @@
// Shows with and without : time to last coin = f(CoinCombination)
var lib = require('./lib.js');
function main(path) {
var db = lib.loadFromFile(path);
var groups = lib.makeGroups(db);
// Erase groups that are not usable
groups = groups.filter(function(elt) {
// An elt is valid if it contains at least 2 exp, BaseRecommendation included
return elt.length > 1 && elt.find(function(e) { return e.recommendation_style[4] === 'B'; }) !== undefined;
});
groups.forEach(function(elt) {
elt.sort(lib.compareRecommendationStyle);
});
console.log(lib.toMatlabArray('X', lib.range(0, groups.length)));
console.log(lib.toMatlabArray('Y1', lib.range(0, groups.length, function(i) {
return lib.experimentDuration(groups[i][0]);
})));
console.log(lib.toMatlabArray('Y2', lib.range(0, groups.length, function(i) {
return lib.max(lib.experimentDuration(groups[i][1]), lib.experimentDuration(groups[i][2]));
})));
console.log(lib.toMatlabArray('Y3', lib.range(0, groups.length, function(i) {
return lib.min(lib.experimentDuration(groups[i][1]), lib.experimentDuration(groups[i][2]));
})));
}
if (process.argv.length !== 3) {
process.stderr.write('Error : please give me a JSON file to work on\n');
process.exit(-1);
}
main(process.argv[2]);