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Ruby on Rails implementation of a (proper) Ranking/Popularity system | AkitaOnRails.com
Cálculo de popularidade / qualidade de um objeto baseado em votos positivos e negativos levando em conta a quantidade de votos e razão entre tipos de votos
programming  matemática  estatística  ruby  tip  how-to  reference  ranking 
november 2016 by rtopitt
Chartkick
Create beautiful Javascript charts with one line of Ruby. Also available in Python and pure JavaScript.
ruby  gráfico  estatística  gem  interface  html  javascript 
march 2015 by rtopitt
deepAsk - Sua pesquisa em fontes oficiais de dados abertos
A missão do deepAsk é centralizar os dados abertos da internet e torná-los mundialmente acessíveis para pesquisa e análise. Através de infográficos e mapas de acesso interativo, o deepAsk facilita o acesso aos dados abertos para milhares de pessoas em todo o mundo.
pesquisa  estatística  dados  analysis  governo  brasil  informação  infográfico 
december 2014 by rtopitt
Charted - Beautiful, automatic charts
Charted is a tool for automatically visualizing data, created by the
Product Science team at Medium. Give it the link to a data file and Charted returns a beautiful, shareable chart of the data.
analytics  data  csv  webapp  gráfico  estatística  javascript  inspiração  software_livre  dropbox  google  spreadsheet 
november 2014 by rtopitt
MetricsGraphics.js - a library based on D3.js, optimized for visualizing and laying out time-series data
MetricsGraphics.js is a library built on top of D3 that is optimized for visualizing and laying out time-series data. It provides a simple way to produce common types of graphics in a principled, consistent and responsive way. The library currently supports line charts, scatterplots and histograms as well as features like rug plots and basic linear regression.
javascript  timeline  d3  gráfico  estatística  software_livre  plugin  inspiração 
november 2014 by rtopitt
littler: a scripting front-end for GNU R
littler provides the r program, a simplified command-line interface for GNU R. This allows direct execution of commands, use in piping where the output of one program supplies the input of the next, as well as adding the ability for writing hash-bang scripts, i.e. creating executable files starting with, say, #!/usr/bin/r.
r  estatística  shell  cli  unix  software_livre 
november 2014 by rtopitt
Indicador
Todos os indicadores em um só lugar. Bem, nem todos, mas a ideia é chegar lá :) Dados atualizados. Indicadores acessíveis em um ou dois cliques. Download dos dados.
dados  indicador  index  download  brasil  economia  política  estatística  pesquisa  reference 
october 2014 by rtopitt
The R Project for Statistical Computing
R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS.
software_livre  linguagem  programming  estatística  gráfico  analysis 
october 2014 by rtopitt
2013 Feltron Personal Annual Report
Exemplo de cara que quantifica tudo da sua vida e gera relatórios anuais interessantes
quantified_self  geek  reference  bizarre  pessoal  estatística  gráfico  vídeo  entrevista  inspiração 
august 2014 by rtopitt
The Data Visualisation Catalogue
The Data Visualisation Catalogue is currently an on-going project developed by Severino Ribecca.

Originally, this project was a way for me to develop my own knowledge of data visualisation and create a reference tool for me to use in the future for my own work. However, I thought it would also be useful tool to not only other designers, but also anyone in a field that requires the use of data visualisation regularly (economists, scientists, statisticians etc).

Although there have been a few attempts in the past to catalogue some of the established data visualisation methods, there is no website that is really comprehensive, detailed or helps you decide the right method for your needs.

I will be adding in new visualisation methods, bit-by-bit, as I research each method to find the best way to explain how it works and what it is best suited for.
estatística  visualização  infográfico  gráfico  catálogo  informação  dados  reference 
march 2014 by rtopitt
VeloViewer - Welcome!
Love Strava but want more? Then you've come to the right place. Connect with Strava to see your data.

VeloViewer provides fully sortable and filterable lists, maps, graphs and 3d profiles for your full Strava history with more stats than you'll know what to do with. All your rides, runs, swims etc. and all the segments you've ever covered with up-to-date placings.
strava  api  webapp  mapa  visualização  infográfico  estatística  bicycle  cycling 
march 2014 by rtopitt
accessories - How do bicycle power meters work? - Bicycles Stack Exchange
What exactly are they measuring? How do they measure it? What are the implications of the different approaches on accuracy / speed of getting a good measure?
power_meter  sensor  estatística  geek  dados  coleta  treino  quantified_self  stackexchange  pergunta  reference  tip  bicycle  cycling 
january 2014 by rtopitt
ISP - Instituto de Segurança Pública - Dados Oficiais
O Governo do Estado, seguindo a sua diretriz de uma política de democratização dos dados criminais, está disponibilizando arquivos para download das Incidências Criminais no Estado do Rio de Janeiro. Espera-se, desta forma, assegurar o máximo de transparência e o amplo acesso às informações relativas a notificações criminais.

Esta página contém o formato eletrônico do Resumo das Principais Incidências Criminais do Estado do Rio de Janeiro, publicadas mensalmente pelo Diário Oficial.
estatística  cidade  estado  rio_de_janeiro  polícia  excel  planilha  dados  geek  download  security 
december 2013 by rtopitt
tapiriik - keeps your fitness in sync - sync your runs, rides & more
tapiriik synchronizes your fitness activities between Garmin Connect, RunKeeper, Strava, Endomondo, SportTracks.mobi and Dropbox (your heart rate, cadence, power, and temperature data syncs too). Your email, password, and fitness data are kept safe - full details on the privacy page.
dropbox  strava  endomondo  runkeeper  exercício  estatística  webapp  sincronização  api  geek  grátis 
november 2013 by rtopitt
Citi Bike · The First 100 Days
Estatísticas de uso dos 100 primeiros dias do sistema de bicicletas compartilhadas de Nova York
ny  mew_york  cidade  urbano  estatística  infográfico  economia  informação  sharing  reference  bicycle 
october 2013 by rtopitt
Status Board
You’ve got data. The news. Your calendar. Active projects and e-mail queues. Sales totals and bug counts. Your data isn’t going away. Let’s make data beautiful.

Status Board takes your data and gives it meaning. Use the easy built-in panels. Or massage your data for our Graph and Table panels. It’s going to be awesome.
ipad  ios  dashboard  painel  informação  estatística  gráfico  app  application 
june 2013 by rtopitt
StatHat - Status Board Integration
StatHat makes it a piece of cake to get your stats on Panic's awesome Status Board iPad app. You can put up to five stats in one graph module, or display a stat group in a table module.
dashboard  painel  integração  estatística  gráfico  webapp  json  service 
june 2013 by rtopitt
Search Alert: StatHat graphs
We’ve just added support to graph the number of log messages matching a search in StatHat.
integração  estatística  papertrail  log  stathat  importante  visualização  busca  alerta  painel  webapp 
june 2013 by rtopitt
FnordMetric | Framework for building beautiful real-time dashboards
FnordMetric is a framework for collecting and visualizing timeseries data. It enables you to build beautiful real-time analytics dashboards within minutes.
javascript  jvm  java  ruby  gráfico  tempo  estatística  painel  dashboard  software_livre  webapp  analysis 
may 2013 by rtopitt
PTTMetro
Dados estatísticos do uso da internet no Brasil, largura de banda, por hora, dia, semana, ano e década, país inteiro e por estado.
internet  tráfego  gráfico  brasil  estatística  banda  pico  horário  network 
december 2012 by rtopitt
google-refine - a power tool for working with messy data
Google Refine is a power tool for working with messy data, cleaning it up, transforming it from one format into another, extending it with web services, and linking it to databases like Freebase.
dados  google  software_livre  planilha  estatística  desktop  ferramenta  limpeza  geek  analysis 
november 2010 by rtopitt
What a Hundred Million Calls to 311 Reveal About New York | Magazine | Wired.com
Artigo sobre sistema de registro de problemas na cidade de NY via telefone, e o uso inovador da massa de dados geo-referenciados que eles fazem, bem como startups atuantes de maneira similar
inspiração  cidade  311  nova_york  wired  artigo  geek  denúncia  reclamação  urbano  georeferenciamento  estatística  crowdsourcing 
november 2010 by rtopitt
How to Track Six Key Metrics for Your Web App | Think Vitamin
I'd like to share six very important things you should be measuring in your recurring revenue web app. I'll explain the six key metrics first, and then give you the link to the Google Spreadsheet. You can make a copy of the sheet and modify it for your own app.
saas  webapp  métrica  finanças  negócio  economia  software  assinatura  planilha  estatística  acompanhamento  importante  inspiração  analysis 
november 2010 by rtopitt
SaaSmetrics.me
SaaSmetrics is the simplest and easiest way to know more about your SaaS and improve your business.
métrica  estatística  saas  api  rest  webapp  webservice  empresa  software  finanças  importante  inspiração  analysis  service 
october 2010 by rtopitt
SAAS Model
Planilha de métricas de acompanhamento de empresa / produto tipo software as a service.
saas  planilha  google_docs  modelo  economia  software  métrica  estatística  finanças  empresa  importante 
october 2010 by rtopitt
The Real 'Stuff White People Like’
What makes a culture unique? How are whites, blacks, Asians, whoever different from everybody else? What tastes, interests, and concepts define an ethnicity? Is there any way to make fun of other races in public and get away with it? These are big questions, and here's how we answered them.
estatística  cultura  raça  homem  mulher  geek  web2.0  pesquisa  religião  sexo  curiosidade  tagcloud 
september 2010 by rtopitt
trending topics in tweets about cheese; part1 « brain of matpalm
what does it mean for a topic to be ‘trending’? consider the following time series (430e3 tweets containing cheese collected over a month period bucketed into hourly timeslots). without a formal definition we can just look at this and say that the series was trending where there was a spike just before time 600. as a start then let’s just define a trend as a value that was greater than was ‘expected’.
twitter  estudo  estatística  trend  trending  gráfico  geek  ai 
august 2010 by rtopitt
Rifgraf
Rifgraf is a fire-and-forget web service for displaying graphs of data collected over time. Post your data points periodically via rest calls. Then view a graph of the data at any time in the future.
webapp  heroku  sinatra  software_livre  gráfico  webservice  rest  estatística  inspiração 
july 2010 by rtopitt
jqPlot Charts and Graphs for jQuery
jqPlot is a plotting and charting plugin for the jQuery Javascript framework. jqPlot produces beautiful line, bar and pie charts with many features: Numerous chart style options. Date axes with customizable formatting. Up to 9 Y axes. Rotated axis text. Automatic trend line computation. Tooltips and data point highlighting. Sensible defaults for ease of use. jqPlot is an open source project by Chris Leonello.
javascript  jquery  plugin  gráfico  importante  biblioteca  linha  barra  pizza  webdesign  estatística 
july 2010 by rtopitt
World Cup instant Twitter replay: how we did it | Help | guardian.co.uk
The project kicked off a few months ago with a simple but challenging brief: "Can we make a distinct and engaging representation of Twitter activity during the World Cup?"
twitter  mashup  how-to  inspiração  webapp  geek  copa_do_mundo  guardian  visualização  estatística  trend  bastidores  flash 
june 2010 by rtopitt
World Cup 2010 Twitter replay | Football | guardian.co.uk
Follow our high-speed replay of the World Cup and find out how Twitter reacted to every game
replay  futebol  twitter  mashup  guardian  copa_do_mundo  geek  flash  estatística  visualização  trend  web2.0 
june 2010 by rtopitt
SlimStat: Simple web analytics
SlimStat is a simple but powerful web analytics program. Get up and running in seconds. Drill-down and filter data in any way you choose. Download it free
estatística  visitação  visita  webapp  php  contador  download  software_livre  analysis 
june 2010 by rtopitt
Visual Website Optimizer - A/B Testing | Multivariate Testing | Landing Page Optimization
Visual Website Optimizer is undoubtedly the best A/B, split and multivariate testing software ever created by mankind. Learn why our 1000+ users agree with us.
teste  a/b  webapp  webdesign  conversão  visitação  estatística  webservice 
may 2010 by rtopitt
Statistics from every football World Cup finals tournament
Planilha com estatísticas de todos os jogos de Copas do Mundo
planilha  futebol  estatística  excel  google  google_docs  docs  geek  fifa  sport 
may 2010 by rtopitt
tedPAD - create millions of amazing and really bad TED talks
In a brilliantly tongue-in-cheek analysis, Sebastian Wernicke turns the tools of statistical analysis on TEDTalks, to come up with a metric for creating "the optimum TEDTalk" based on user ratings. How do you rate it? "Jaw-dropping"? "Unconvincing"? Or just plain "Funny"?
ted  palestra  estatística  geek  gerador  hahaha  analysis 
may 2010 by rtopitt
The Ultimate List: 300+ Social Media Statistics
It's evident that the evolution of social media has a clear impact on marketing. However, a major issue is that too much misinformation and propaganda exists about social media adoption, usage and its business applications. While we have written at length about social media and inbound marketing on this blog for the past several years, we are also huge fans of data here at HubSpot. This post is a homage to all of the awesome data that exists on the web about social media, though is by no means even close to all of it.
dados  estudo  social  estatística  gráfico  web2.0  internet  geek  top10  facebook  twitter  orkut  social_network  video 
may 2010 by rtopitt
mnutt/hummingbird @ GitHub
Hummingbird lets you see how visitors are interacting with your website in real time. And by “real time” we don’t mean it refreshes every 5 minutes—WebSockets enable Hummingbird to update 20 times per second. Hummingbird is built on top of Node.js, a new javascript web toolkit that can handle large amounts of traffic and many concurrent users.
javascript  mongodb  estatística  acesso  node.js  tempo_real  monitoramento  analysis 
may 2010 by rtopitt
globoesporte.com > Estaduais > Campeonato Carioca - NOTÍCIAS - Conheça os segredos de Bruno, o atual rei das penalidades do futebol brasileiro
GLOBOESPORTE.COM estuda os 65 pênaltis já cobrados contra o goleiro. Conheça a técnica da muralha rubro-negra e descubra como superá-la
futebol  pênalty  cobrança  estatística  bruno  goleiro  analysis  sport 
april 2010 by rtopitt
Panic Blog » The Panic Status Board
The idea quickly grew beyond “Project Status”, and has become a hub of all sorts of internal Panic information. What you’re actually looking at is an internal-only webpage that updates frequently using AJAX which shows:
painel  status  inspiração  geek  escritório  estatística  desenvolvimento  how-to  tip 
march 2010 by rtopitt
The 4 Big Myths of Profile Pictures « OkTrends
In looking closely at the astonishingly wide variety of ways our users have chosen to represent themselves, we discovered much of the collective wisdom about profile pictures was wrong. For interested readers, I explain our measurement process, and how we collected our data, at the end of the post. All my bar charts are zeroed on the average picture. Now to the data.
internet  estatística  pesquisa  perfil  mito  gráfico  geek  encontro  analysis  social_network  photo 
january 2010 by rtopitt
15 Awesome Free JavaScript Charts / JavaScripts / SPLASHnology - Web Design & Web Technology Community
Plotting your data can serve as a replacement to tabular data, and is also a great way to add practical graphics to your web page or application. There are many ways you can plot data, but here I have included 15 Awesome Free JavaScript Charts In Your Sites/Blog Pages which serves as a easy Charting solution. Hope you like it.
javascript  gráfico  estatística  top10  importante  webdesign  jquery  plugin  biblioteca  compilation 
january 2010 by rtopitt
Highcharts - Interactive JavaScript charts for your webpage
Highcharts is a charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application. Highcharts currently supports line, spline, area, areaspline, column, bar, pie and scatter chart types.
javascript  gráfico  svg  canvas  webdesign  estatística  biblioteca 
january 2010 by rtopitt
cortesi - The impact of language choice on github projects
I've started to wonder about the impact of language choice on the development process. Are there major differences between projects in different languages? Is it possible to quantify these differences? I decided to try to gather some hard numbers. The end result result is a database consisting of 3 400 repositories, 20 000 authors, and 1.5 million commits. I'm releasing the dataset for others to play with - see the bottom of this post for information.
git  github  commit  software_livre  projeto  gráfico  estatística  geek  analysis  programming 
december 2009 by rtopitt
Information Is Beautiful | Ideas, issues, concepts, subjects - visualized!
I’m David McCandless, a London-based author, writer and designer. I’ve written for The Guardian, Wired and others. I’m into anything strange and interesting. These days I’m an independent visual & data journalist. A passion of mine is for visualizing information – facts, data, ideas, subjects, issues, statistics, questions – all with the minimum of words. I’m interested in how designed information can help us understand the world, cut through BS and reveal hidden connections, patterns and stories underneath. Or, failing that, it can just look cool! My pet-hate is pie charts. Love pie. Hate pie-charts.
blog  design  dados  visualização  estatística  informação  gráfico  geek  inspiração 
december 2009 by rtopitt
Fitting curves to data using Ruby and the GNU Scientific Library
If you need to perform data analysis, provide graphics for your users in your webapp, or produce high quality plots I encourage you to investigate the combination of ruby, GSL and GNUPlot.
ruby  gnu  gráfico  gnuplot  estatística  visualização  dados  gsl  curva  previsão  programming 
november 2009 by rtopitt
Ruby/GSL
RubyGSL is a ruby interface to the GSL (GNU Scientific Library), for numerical computing with Ruby.
ruby  gnu  gem  biblioteca  estatística  matemática  gsl  interface  programming 
november 2009 by rtopitt
Implementing the Pearson correlation algorithm using Ruby and the GNU Scientific Library
At its heart, acts_as_recommendable uses a statistical measure known as the Pearson correlation coefficient to calculate the “nearness” of items to one another. Alex talked about the performance issues he encountered when implementing the algorithm in pure ruby. To allow recommendations to be calculated for the entire database he had to switch to making calculations offline and reimplementing the algorithm in C using RubyInline .
ruby  rails  plugin  performance  c  gnu  estatística  algorithm  programming  recomendation 
november 2009 by rtopitt
the world according to matpalm
blog cheio de problemas estatísticos / computacionais divertidos
blog  nerd  geek  estatística  how-to  algorithm  analysis  programming 
november 2009 by rtopitt
MovieLens Data Sets | GroupLens Research
We currently have three datasets available: 100,000 ratings for 1682 movies by 943 users, 1 million ratings for 3900 movies by 6040 users, 10 million ratings and 100,000 tags for 10681 movies by 71567 users
estatística  exemplo  teste  input  importante  estudo  database  programming  recomendation 
november 2009 by rtopitt
Overthinking It | Movies, TV, Music, and Popular Culture... taken way too seriously.
Welcome to Overthinking It, where we subject the popular culture to a level of scrutiny it probably doesn't deserve.
geek  blog  internet  tv  pop  hahaha  estatística  cultura  analysis 
november 2009 by rtopitt
Recent tweets with 100 favs or more
A site tracking what you, your friends, and everyone else is favoriting on Twitter. A place to see favorite tweets organized by popularity, your friends, and your own!
web2.0  internet  twitter  mashup  ranking  favorito  inspiração  top10  estatística 
november 2009 by rtopitt
CLOC -- Count Lines of Code
cloc counts blank lines, comment lines, and physical lines of source code in many programming languages. It is written entirely in Perl with no dependencies outside the standard distribution of Perl v5.6 and higher (code from some external modules is embedded within cloc) and so is quite portable. cloc is known to run on many flavors of Linux, Mac OS X, AIX, Solaris, IRIX, z/OS, and Windows. (To run the Perl source version of cloc on Windows one needs ActiveState Perl 5.6.1 or higher, or Cygwin installed. Alternatively one can use the Windows binary of cloc generated with perl2exe to run on Windows computers that have neither Perl nor Cygwin.)
perl  utilidade  contador  linha  código-fonte  ferramenta  shell  métrica  estatística  software_livre  app  application  programming 
november 2009 by rtopitt
Sysomos | In-Depth Look at the 5% of Most Active Twitter
When Sysomos published its initial "Inside Twitter" report last month that looked at the people on Twitter and how it was being used, we discovered that 5% of users accounted for 75% of all activity. This finding was based on indexing 11.5 million accounts, and then looking at the top 5% users who accounted for most number of Tweets.
pesquisa  twitter  social  estatística  geek  web2.0  freak  top10  user 
september 2009 by rtopitt
Sysomos | In-Depth Look Inside the Twitter World
Over the past few months, Twitter has experienced explosive growth, attracting celebrity users such as Oprah, and a growing mountain of media and blog coverage. Sysomos Inc., one of the world's leading social media analytics companies, conducted an extensive study to document Twitter's growth and how people are using it. After analyzing information disclosed on 11.5 million Twitters accounts, we discovered that:
pesquisa  twitter  estatística  social  web2.0  gráfico  geek  analysis 
september 2009 by rtopitt
DAYTUM
DAYTUM HELPS YOU COLLECT, CATEGORIZE AND COMMUNICATE YOUR EVERYDAY DATA.
estatística  geek  dado  social  web2.0  gráfico  visualização  todo 
august 2009 by rtopitt
Google Analytics Blog: Web Analytics Tips
A Google Analytics API has long been one of our most widely anticipated features. Today we're pleased to announce that the Google Analytics Data Export API beta is now publicly available to all Analytics users!
analytics  api  estatística  google  importante 
may 2009 by rtopitt
The Question That Makes Amazon $2.7 Billion Of Revenue
Análise do sistema de qualidade dos reviews de produtos da Amazon, como foi usado para dar maior destaque às melhores reviews, sem influência editorial, de maneira auto-gerenciada.
amazon  artigo  boa_prática  estatística  importante  review  voto  web2.0  webapp  analysis 
may 2009 by rtopitt
Stats – Grupo da Last.fm
Links para dezenas de ferramentas de estatísticas extras para sua conta no last.fm
estatística  ferramenta  geek  grupo  lastfm  link  mashup  música  web2.0 
may 2009 by rtopitt
Rock Band DLC Statosphere - Statistics for all your favorite Rock Band downloadable songs!
Welcome to the Rock Band DLC Statosphere! The only stop you need to know about for the juiciest statistics on how well your favorite Rock Band downloadable songs are doing. Compare and discuss over at the Rock Band Forums (or wherever). NO MORE PIE CHARTS
dlc  estatística  música  popularidade  rock_band  webapp 
may 2009 by rtopitt
Rock Band Scores
Forgot if you can pass Highway Star on Expert? Want to prove to your friends that you passed Run to the Hills on Drums? Rock Band Scores remembers all of your scores for all your Rock Band tracks, both on-disc and downloadable. With Rock Band Scores, you
app  estatística  geek  iphone  música  rock_band  score  videogame  application 
may 2009 by rtopitt
Adam @ Heroku. Rifgraf
Webapp para logar e gerar gráficos de métricas da aplicação via chamadas REST à app (que podem ser feitas de tempos em tempos via cronjobs no servidor da app sendo medida)
estatística  flash  gráfico  inspiração  métrica  ruby  sinatra  webapp 
may 2009 by rtopitt
Globoesporte.com > Futebol - NOTÍCIAS - Brasileiros fecham 2007 no vermelho
Dados dos resultados financeiros dos principais clubes de futebol do Brasil em 2007
2007  economia  estatística  futebol 
may 2009 by rtopitt
Open Letter To Kansas School Board at Church of the Flying Spaghetti Monster
The Church of the Flying Spaghetti Monster, while having existed in secrecy for hundreds of years, only recently came into the mainstream when this letter was published in May 2005.
ateísmo  carta  fsm  geek  hahaha  estatística  ateu  religião  science 
may 2009 by rtopitt
Rails Analyzer
The Rails Analyzer project contains a collection of tools for Rails that let you discover biggest slow spots in your applications allowing you to best focus optimization efforts.
deploy  estatística  gem  log  performance  rails  analysis 
may 2009 by rtopitt
Instalando e configurando o AWSTATS no Ubuntu Server - gutocarvalho.net
O Awstats é um analisador de LOGS avançado, ele pode analisar vários tipos de LOGS, os principais são WEB, MAIL e FTP. Aqui vamos aprender a configurar o AWSTATS para gerar estatísticas de um servidor APACHE2. (E Nginx também)
8.04  apache  awstats  estatística  how-to  instalação  log  nginx  ubuntu  wiki  server  configuration 
may 2009 by rtopitt
Link by Link - This Is Funny Only if You Know Unix - NYTimes.com
Mr. Munroe, a physics major and a programmer by trade, is good for jokes like this three times a week, informed by computing and the Internet. The site, which began publishing regularly in January 2006, has 500,000 unique visitors a day, he said, and 80 m
artigo  estatística  jornal  tirinha  tráfego  website  xkcd 
may 2009 by rtopitt
» Rambo Stats » The Adventures of Accordion Guy in the 21st Century : Joey deVilla’s Personal Blog
Estatísticas das mortes nos filmes do Rambo, inclusive do filme novo ainda não lançado
cinema  estatística  filme  geek  morte  rambo 
may 2009 by rtopitt
Official Google Blog: The flow of information at the Googleplex
Earlier on this blog, we shared some exciting early results from our firm's implementation of prediction markets. At last Friday's meeting of the American Economic Association, we shared the results of a deeper study, "Using Prediction Markets to Track I
artigo  economia  estatística  estudo  geek  google  mercado  pdf  previsão 
may 2009 by rtopitt
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