Estimating the Size of a Small Population

Estimating the Size of a Small Population

Posted on September 28, 2011    Comments 3

Let me tell you a wonderful story, a statistical detective story of sorts.

During the summer, you may have seen statistics released from the 2010 Census Summary File 1 on same-sex couple unmarried partner households.

We noticed that reported counts of same-sex couples from the 2010 census were much higher than similar estimates from American Community Survey at earlier years. Our demographic analysts had some immediate ideas, explained nicely in this video:

So we suspected that the format of the nonresponse followup form was the culprit. If that were the case, one should see some obvious mismatches between the name of the person written on the form and the recorded sex of that person. Bingo! A qualitative inspection of some of the records showed suspicious combinations (e.g., “Harold” recorded as a “female”). Past research led us to believe that the name entered was likely to be more accurate than the recorded sex.

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Citizen-centric statistics?

From: https://www.facebook.com/photo.php?fbid=2134377440467&set=a.1278761090593.2038738.1276982138&type=1&theater

NcomVA Statistics Explorer User Guide

 From: http://www.ncomva.se/guide/#_General

Guide

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Welcome to the NcomVA User Guide

The content of this guide will be continually updated with all the new features and tutorials of all the NComVA products. Here you can find explanations of many of all the functions found in Statistics eXplorer and Statistics Publisher. If you are not familiar with the concepts and techniques used in the NComVA products, check the Concepts chapter. All the different visualization types avaliable in the NcomvA products are explained and demonstrated in theVisualizations chapter. Under Tutorials you can find step-by-step text- and video-tutorials of different workflow tasks in the NComVA products. 

Citizen centric access to statistics

Citizen centric access to statistics - presentation at icegov

View more presentations from AlfFyhrlund

How to use Google Public Data Explorer

How to use_google_public_data_explorer_eng

View more presentations from AlfFyhrlund.

The factlab way publishing statistics in newspaper

From: mike.andersson@omnistat.com

This is how the Dagens Nyheter, the largest newspaper in Sweden, used factlab to show their readers public data and statistics that compare different things between Denmark and Sweden in connection with the Danish election last week. They give you only a few examples, and leave it to the readers to make further research if they want to compare anything else or if they want to compare with some other countries. With even more free statistics, factlab become even more attractive for all citizens.

You can easily get factlab in English or other languages, just click on "Change Settings".

If you want to compare with other countries, just click on "Show selection" and mark any country you want.

Making it easy for you there is an English translation further below.

Direct link to the Swedish version: http://www.thefactlab.com/Partners/DN/Danmark_vs_Sverige.aspx

English translation:

Denmark's refugee policy is different from Sweden ?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM998

Is Denmark is more environmentally friendly than Sweden in terms of carbon emissions ?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1000

Has Denmark a better age pyramid than Sweden have?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1002

Do you live as close together in Denmark as you do in Sweden?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1003

Denmark had 22% more doctors per 1,000 inhabitants in 2004, do they have a larger proportion of people over 65 today ?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1004

Denmark is expected to increase its population by 300,000 people by 2050, does Sweden have the same expectation ?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1005

Is the area of Sweden 3, 5 or 10 times bigger than the area of Denmark ?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1006

Does Denmark have just as much of its manpower in the military as Sweden have, or more ?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1007

Do Danes have more liberal views on drug crimes than Swedes?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1008

Sure you can call Denmark for flat !

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1009

Does Denmark or Sweden have the longest coastline?

http://www.thefactlab.com/global/results.aspx?bookmark=Server\BM1010

EU wants government data to be open, says Kroes

Public Data Explorer a Google Labs Survivor

From: Search Engine Land
Sep 23, 2011 at 4:35pm ET by Matt McGee

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Several Google Labs projects have learned their fate as the company continues to close down Google Labs as part of a larger streamlining effort.

However, Public Data Explorer survives – this tool launched in 2008 and lets users search and compare sets of public data, such as comparing unemployment rates across different states. This has now graduated out of Google Labs. Also, the related Dataset upload for Public Data Explorer tool is also graduating from Google Labs.

The Guardian: Student guide to global development data on the web

Looking for figures? Here's a beginner's guide to our Global development datastore
and the best sources for development data on the web

• The Guardian global development team
• guardian.co.uk, Wednesday 21 September 2011 16.13 BST
• Article history

The Guardian offers students a gateway to some of the world's best global development data. Photograph: Rex Features

Global development is swarming with seemingly unwieldy datasets. And each day, new sources of facts and figures are opened up as researchers, aid agencies, governments and a growing number of data journalists pull together, digitise and publish datasets never before seen or circulated. For those of you digging for development data for the first time, here's a quick guide to what you can find in the Guardian's global development datastore and around the web.

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From ReadWriteWeb

Life in the Future, With Data: Livestreaming O'Reilly's Strata Conference

By Marshall Kirkpatrick / September 20, 2011 6:35 AM / 0 Comments

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"Big data enables new ways to create value, it's going to change the basis of competition," Michael Chui of the McKinsey Global Institute said this morning to kick off O'Reilly's big data conference, the Strata Summit. The next two days are all about the rise of information that has to be dealt with on scale, big data, and its consequences. "It will change the way companies, sectors and economies compete," says Chui.

McKinsey published an exhaustive 150 page report on big data this Spring, which argued that data will soon become an economic input as important as labor and capital. It's not just about pure economics, though. As Edd Dumbill, chair of Strata, put it today, our relationship with big data needs to serve humans - not turn humans into the servants of machines and information overload. "We know that big data can help us, it may be the case that big data has to help us."

Statistics overview of this blog sofar

"Free Our Data: How We Made Sense of Huge Datasets"

"The Mythology of Big Data"

"What Data Tells Us"

Datavisualization

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Strata 2011 Live Video Stream Posted: 16 Sep 2011 02:00 AM PDT In case you don’t have the luck to be in New York around this time, but want to get a glimpse at what’s happening at the Strata Conference listen up: O’Reilly kindly provides live broadcasts from keynotes, talks and workshops. You can see the full schedule of broadcasts here: http://datavis.ch/oBT4EO. Strata doesn’t ring a bell in your head? It’s one of the biggest conferences focused on data and the business around it organized by O’Reilly. Strata Conference covers the latest and best tools and technologies for this new discipline, along the entire data supply chain—from gathering, cleaning, analyzing, and storing data to communicating data intelligence effectively. With hardcore technical sessions on parallel computing, machine learning, and interactive visualizations; case studies from finance, media, healthcare, and technology; and provocative reports from experts and innovators, Strata Conference showcases the people, tools, and technologies that make data work.

Describe your data to enable powerful visualizations

From: http://code.google.com/apis/publicdata/

Finland: Acquisition of datasets free of charge

From: http://www.maanmittauslaitos.fi/en/node/6563

Downloading

First you are requested to provide us with your contact information, describe the purpose of use of the datasets and to commit to the terms of use. After this you may proceed and start downloading files. Downloading is free of charge. The datasets are described below.

Proceed to download datasets >>

Order datasets

If you need datasets in the old basic coordinate system (KKJ / YKJ) or you wish to use another method of delivery than downloading (for instance CD), then you have to place a separate order.  Detachment and handling charges are charged for such orders.

Order datasets >>

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