// ==UserScript==
// @name MTurk Worst Case Scenario Calculator + Gauge
// @namespace localhost
// @author ThirdClassInternationalMasterTurker, DeliriumTremens
// @description Shows what your approval rate would be in worst case scenario
// @include https://www.mturk.com/mturk/dashboard
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.js
// @require http://cdn.jsdelivr.net/jqplot/1.0.8/jquery.jqplot.js
// @require http://cdn.jsdelivr.net/jqplot/1.0.8/plugins/jqplot.meterGaugeRenderer.js
// @resource http://cdn.jsdelivr.net/jqplot/1.0.8/jquery.jqplot.css
// @version 3.1dt
// @grant none
// ==/UserScript==
//
// 2012-09-07 First public release by ThirdClassInternationalMasterTurker
//
// 2012-09-09 Added approximate number of rejects that drop you to the
// edge of RATE_GOOD and RATE_OK
//
// 2012-10-06 Added GUI for setting RATE_GOOD and RATE_OK
// (Click 'Pending (Worst Case Scenario)')
//
// 2012-12-02 3.1: Added @downloadURL and @updateURL
//
// --- SETTINGS ------------------------------------------------------- //
var RATE_GOOD = (localStorage['WCS_GOOD']) ? localStorage['WCS_GOOD'] : 99.0;
var RATE_OK = (localStorage['WCS_OK']) ? localStorage['WCS_OK'] : 95.0;
var COLOUR_GOOD = 'lightgreen';
var COLOUR_OK = 'orange';
var COLOUR_BAD = 'red';
// -------------------------------------------------------------------- //
var rows = document.evaluate('//tr[@class]',
document,
null,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
var submitted;
var returned;
var abandoned;
var approved;
var rejected;
var pending;
function config_func()
{
return function()
{
var t = prompt('MTurk Worst Case Scenario\nSet your RATE_GOOD and RATE_OK.\nFor example: 99.0;95.0',
'' + RATE_GOOD + ';' + RATE_OK);
if (!t)
return;
var rates = t.split(';', 2);
rates[0] = parseFloat(rates[0]).toFixed(1);
rates[1] = parseFloat(rates[1]).toFixed(1);
if (rates[0] > 0 && rates[0] <= 100)
localStorage['WCS_GOOD'] = rates[0];
if (rates[1] > 0 && rates[1] <= 100)
localStorage['WCS_OK'] = rates[1];
};
}
for (var i=0;i<rows.snapshotLength;i++) {
var row = rows.snapshotItem(i);
if (row.cells.length != 3)
continue;
if (row.className.match('odd|even') == null) {
continue;
}
if (row.cells[0].textContent.match('HITs Submitted')) {
submitted = parseInt(row.cells[1].textContent);
}
if (row.cells[0].textContent.match('\\.\\.\\. Approved')) {
approved = parseInt(row.cells[1].textContent);
approved_p = parseFloat(row.cells[2].textContent);
if (approved_p >= RATE_GOOD) {
row.cells[2].style.backgroundColor = COLOUR_GOOD;
}
else if (approved_p >= RATE_OK) {
row.cells[2].style.backgroundColor = COLOUR_OK;
}
else {
row.cells[2].style.backgroundColor = COLOUR_BAD;
}
}
if (row.cells[0].textContent.match('\\.\\.\\. Rejected')) {
rejected = parseInt(row.cells[1].textContent);
}
if (row.cells[0].textContent.match('\\.\\.\\. Pending')) {
pending = parseInt(row.cells[1].textContent);
row.cells[0].innerHTML += " <small>(Worst Case Scenario)</small>";
if (RATE_GOOD < approved_p) {
var p = 1.0 - RATE_GOOD/100;
var x = (rejected-(p*submitted))/(p-1);
row.cells[0].innerHTML += "<br> <span style=\"color:" + COLOUR_OK + "\">(~" + Math.round(x) + " rejects => " + RATE_GOOD + "%)</span>";
}
if (RATE_OK < approved_p) {
var p = 1.0 - RATE_OK/100;
var x = (rejected-(p*submitted))/(p-1);
row.cells[0].innerHTML += "<br> <span style=\"color:" + COLOUR_BAD + "\">(~" + Math.round(x) + " rejects => " + RATE_OK + "%)</span>";
}
WCS = Math.round((approved/(approved+rejected+pending) * 1000))/10;
row.cells[2].innerHTML = '(' + WCS + '%)';
if (WCS >= RATE_GOOD) {
row.cells[2].style.backgroundColor = COLOUR_GOOD;
}
else if (WCS >= RATE_OK) {
row.cells[2].style.backgroundColor = COLOUR_OK;
}
else {
row.cells[2].style.backgroundColor = COLOUR_BAD;
}
row.cells[0].addEventListener("click", config_func(), false);
row.cells[2].addEventListener("click", config_func(), false);
}
}
$(document).ready(function(){
s1 = [WCS];
$(".container-content:eq(2)").append('<div id="pendingMeter" style="height:200px;width:350px;margin: 0 auto"></div>');
plot3 = $.jqplot('pendingMeter',[s1],{
animate: !$.jqplot.use_excanvas,
grid: {
background: "transparent"
},
seriesDefaults: {
renderer: $.jqplot.MeterGaugeRenderer,
rendererOptions: {
label: 'Worst Case Gauge',
labelPosition: 'bottom',
labelHeightAdjust: -5,
min: 90,
max: 100,
ticks: [90,91,92,93,94,95,96,97,98,99,100],
intervals:[95, 98, 99, 100],
intervalColors:['#990000','#FF6600','#FFFF33', '#66CC00']
}
}
});
});