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Below is a whole bunch of information to help you prepare mashups!	Below is a whole bunch of information to help you prepare hackfest entries. These tools can be used to make entries like: mobile apps, web apps, data visualisations/inforgraphics

# [Hosted Developer Tools](#hosted-developer-tools)	govhack library

	- http://hpneo.github.com/gmaps/examples.html
	- android datviz
	- http://code.google.com/p/afreechart/ http://code.google.com/p/snowdon/ http://code.google.com/p/chartdroid/ http://androidplot.com/ http://code.google.com/p/achartengine/
	- https://graphics.stanford.edu/wikis/cs448b-12-fall/ data viz theory
	- https://mixpanel.com/education/understanding-the-first-five-minutes
	- http://drawingbynumbers.org/toolsandresources
	- http://wmbriggs.com/blog/?p=6465
	- http://ofps.oreilly.com/titles/9781449339739/k_00000002.html list of d3 alternatives
	- http://craigkerstiens.com/2012/10/01/understanding-postgres-performance/
	- https://github.com/clips/pattern for easy NLP/network analysis/data mining
	- https://github.com/theodi/open-data-tech-review/wiki othr cleanup/linked data toola
	- http://www.opentripplanner.org/apidoc/rest.plan.html
	- http://selection.datavisualization.ch/ data viz tools catalog
	- http://www.slideshare.net/OReillyStrata/visualizing-networks-beyond-the-hairball
	- http://blog.sciencenet.cn/blog-554179-622011.html SNA tools catalog
	- https://github.com/jacomyal/osdc2012-sigmajs-demo sigmajs filtering/searching
	- manipulating data - grep/find replace/sed/regex
	- d3 tools and tutorial http://enjalot.com/ http://news.ycombinator.com/item?id=4608440
	- Why d3 is the way it is and how to make charts http://bost.ocks.org/mike/chart/
	- how to make an xkcd chart http://bl.ocks.org/3914862
	- http://blog.josephwilk.net/ruby/latent-semantic-analysis-in-ruby.html similar terms usually found together
	- data viz
	- http://k2company.com/blog/2012/09/06/toolbox-for-learning-machine-learning-and-data-science/
	- http://williamparry.blogspot.com.au/2011/04/putting-data-into-google-fusion-tables.html google fusion tutorial
	- andrewharvey4.wordpress.com postgis/asgs tutorial
	- http://www.slideshare.net/maxdemarzi/etl-into-neo4j
	- http://www.twotorials.com/ for R
	- http://www.r-bloggers.com/gradient-word-clouds/ http://www.rstudio.com/shiny/ http://blog.ouseful.info/2012/11/28/quick-shiny-demo-exploring-nhs-winter-sit-rep-data/ https://github.com/timelyportfolio/shiny-d3-plot https://github.com/trestletech/shiny-sandbox/tree/master/grn
	- http://is-r.tumblr.com/post/38240018815/making-prettier-network-graphs-with-sna-and-igraph
	- http://www.r-bloggers.com/video-simpler-tricks-and-tools-help-debugging-git-latex-and-workflow-with-r-by-prof-rob-hyndman/
	- http://yihui.name/knitr/ makes reports including google widgets/charts/maps via http://www.r-bloggers.com/googlevis-0-3-2-is-released-better-integration-with-knitr/
	- http://chartsnthings.tumblr.com/post/36978271916/r-tutorial-simple-charts http://flowingdata.com/2012/12/17/getting-started-with-charts-in-r/
	- http://dydra.com/
	- http://selection.datavisualization.ch/ data viz tools list
	- http://nodexl.codeplex.com/ network graphs for excel
	- http://sunfoundation.tumblr.com/
	- css framework like bootstrap or zurb foundation
	- analysing - linked data tools
	- http://govcampau.wikispaces.com/useful+tools
	- http://linkeddata.org/home
	- analysing - unstructured/nlp incl overviewer, opennlp/nltk, lucene/solr
	- http://www.r-bloggers.com/simple-text-mining-with-r/

	# Hosted Developer Tools {#hosted-developer-tools}

### Sourceforge	### Sourceforge

Subversion, Git, Mercurial, Bazaar, CVS, issue tracker, wiki, release file downloads. Unlimited free use for open source projects.	Subversion, Git, Mercurial, Bazaar, CVS, issue tracker, wiki, release file downloads. Unlimited free use for open source projects.

You can create your own Sourceforge project at [http://sourceforge.net/](http://sourceforge.net/)	You can create your own Sourceforge project at [http://sourceforge.net/](http://sourceforge.net/)

### Google Code Project Hosting	### Google Code Project Hosting

Git, Mercurial, and Subversion code. Issue tracker, wiki, release file downloads. Unlimited free use for open source projects.	Git, Mercurial, and Subversion code. Issue tracker, wiki, release file downloads. Unlimited free use for open source projects.

You can host your Google Code project and get access to developer tools, APIs and documentation at [http://code.google.com/](http://code.google.com/)	You can host your Google Code project and get access to developer tools, APIs and documentation at [http://code.google.com/](http://code.google.com/)



# The basics of being a data scientist	# The basics of being a data scientist


* Find the people and tools you need to prove/show/find. This rest of this page will help with the latter.	* Find the people and tools you need to prove/show/find. This rest of this page will help with the latter.

Please note, there are a combination of Analysis and Visualisation tools in each of the major categories below.	Please note, there are a combination of Analysis and Visualisation tools in each of the major categories below.

# [API Development](#api-development)	# API Development {#api-development}


So an API isn’t just an XML file ![;)](http://www.govhack.org/wp-includes/images/smilies/icon_wink.gif)	So an API isn’t just an XML file ![;)](http://www.govhack.org/wp-includes/images/smilies/icon_wink.gif)

A good web based data API:	A good web based data API:

* Is logically organised	* Is logically organised
* Can filter returned data	* Can filter returned data
* Can return results in different open formats (CSV/JSON etc.)	* Can return results in different open formats (CSV/JSON etc.)
* Is efficient and responsive by using caching and databases appropriately	* Is efficient and responsive by using caching and databases appropriately
* Handles errors gracefully	* Handles errors gracefully
* Monitors and controls access (to show benefit realised of API and prevent abuse)	* Monitors and controls access (to show benefit realised of API and prevent abuse)
* Provides appropriate documentation with examples	* Provides appropriate documentation with examples

Some people like sensis [http://](http://developers.sensis.com.au/)[developers.sensis.com.<wbr>au</wbr>](http://developers.sensis.com.au/)[/](http://developers.sensis.com.au/) use a provider like[http://](http://mashery.com/)[mashery.com](http://mashery.com/)[/](http://mashery.com/) or [https](https://apigee.com/)[://](https://apigee.com/)[apigee.com](https://apigee.com/) or [http://](http://apiaxle.com/)[apiaxle.com](http://apiaxle.com/)[/](http://apiaxle.com/) or [http://www.3scale.net/](http://www.3scale.net/) which handles making a good API for them.	Some people like sensis [http://](http://developers.sensis.com.au/)[developers.sensis.com.<wbr>au</wbr>](http://developers.sensis.com.au/)[/](http://developers.sensis.com.au/) use a provider like[http://](http://mashery.com/)[mashery.com](http://mashery.com/)[/](http://mashery.com/) or [https](https://apigee.com/)[://](https://apigee.com/)[apigee.com](https://apigee.com/) or [http://](http://apiaxle.com/)[apiaxle.com](http://apiaxle.com/)[/](http://apiaxle.com/) or [http://www.3scale.net/](http://www.3scale.net/) which handles making a good API for them.

Atlassian have a great page on what makes a good API [https](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[://](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[developer.atlassian.<wbr>com</wbr>](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[/display/REST/](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[Atlassian](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[+<wbr>REST+API+Design+Guidelines+<wbr>version+1</wbr></wbr>](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)	Atlassian have a great page on what makes a good API [https](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[://](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[developer.atlassian.<wbr>com</wbr>](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[/display/REST/](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[Atlassian](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)[+<wbr>REST+API+Design+Guidelines+<wbr>version+1</wbr></wbr>](https://developer.atlassian.com/display/REST/Atlassian+REST+API+Design+Guidelines+version+1)





# [Data Visualisation](#data-visualisation)	# Data Visualisation {#data-visualisation}

Most of the categories to follow have visualisation tools specific to their purpose.	Most of the categories to follow have visualisation tools specific to their purpose.

You can find some data visualisation “essential&#8221\. tools below:	You can find some data visualisation “essential&#8221\. tools below:

[http://www.visualisingdata.com/index.php/2011/07/part-6-the-essential-collection-of-visualisation-resources/](http://www.visualisingdata.com/index.php/2011/07/part-6-the-essential-collection-of-visualisation-resources/)	[http://www.visualisingdata.com/index.php/2011/07/part-6-the-essential-collection-of-visualisation-resources/](http://www.visualisingdata.com/index.php/2011/07/part-6-the-essential-collection-of-visualisation-resources/)

Also check out [http://thejit.org](http://thejit.org/) & [http://www.senchalabs.org/<wbr>philogl/</wbr>](http://www.senchalabs.org/philogl/) (contributed by Matt Adcock)	Also check out [http://thejit.org](http://thejit.org/) & [http://www.senchalabs.org/<wbr>philogl/</wbr>](http://www.senchalabs.org/philogl/) (contributed by Matt Adcock)



# [Augmented Reality Tools](#augmented-reality-tools)	# Augmented Reality Tools {#augmented-reality-tools}

### buildAR	### buildAR

buildAR was the world’s first AR Content Management System with the first early version launched back in 200\. as a bit of a test to see if people were interested in being able to create their own augmented experiences. MOB Labs officially launched the new improved buildAR at the Augmented Reality event in Silicon Valley in May 2011.	buildAR was the world’s first AR Content Management System with the first early version launched back in 200\. as a bit of a test to see if people were interested in being able to create their own augmented experiences. MOB Labs officially launched the new improved buildAR at the Augmented Reality event in Silicon Valley in May 2011.

[http://buildAR.com](http://buildar.com/) (normally a 1\. day free trial but GovHack attendees on the day will get a fully activated account for a month. If you are a GovHack attendee want full access now to play, just sign up for a trial and then forward your GovHack Eventbrite registration email to govhack [at] buildar.com and they’ll set you up for the free month fully activated account within a couple of days.	[http://buildAR.com](http://buildar.com/) (normally a 1\. day free trial but GovHack attendees on the day will get a fully activated account for a month. If you are a GovHack attendee want full access now to play, just sign up for a trial and then forward your GovHack Eventbrite registration email to govhack [at] buildar.com and they’ll set you up for the free month fully activated account within a couple of days.

### Other AR tools and references	### Other AR tools and references

theAWEsomeWEB &#8211\. Future of the Augmented Web [http://theAWEsomeWEB.com](http://theawesomeweb.com/)	theAWEsomeWEB &#8211\. Future of the Augmented Web [http://theAWEsomeWEB.com](http://theawesomeweb.com/)

Layar &#8211\. AR Browser - [http://layar.com](http://layar.com/)	Layar &#8211\. AR Browser - [http://layar.com](http://layar.com/)

Junaio &#8211\. AR Browser - [http://junaio.com](http://junaio.com/)	Junaio &#8211\. AR Browser - [http://junaio.com](http://junaio.com/)

Aurasma &#8211\. AR Browser - [http://aurasma.com/](http://aurasma.com/)	Aurasma &#8211\. AR Browser - [http://aurasma.com/](http://aurasma.com/)

Vuforia &#8211\. NFT based AR SDK - [http://qualcomm.com/solutions/<wbr>augmented-reality</wbr>](http://qualcomm.com/solutions/augmented-reality)	Vuforia &#8211\. NFT based AR SDK - [http://qualcomm.com/solutions/<wbr>augmented-reality</wbr>](http://qualcomm.com/solutions/augmented-reality)

String &#8211\. Marker based AR SDK - [http://poweredbystring.com/](http://poweredbystring.com/)	String &#8211\. Marker based AR SDK - [http://poweredbystring.com/](http://poweredbystring.com/)

[pointcloud.io](http://pointcloud.io/) - SLAM based AR SDK - [http://pointcloud.io/](http://pointcloud.io/)	[pointcloud.io](http://pointcloud.io/) - SLAM based AR SDK - [http://pointcloud.io/](http://pointcloud.io/)

ARToolkit &#8211\. Marker based AR SDK - [http://en.wikipedia.org/wiki/<wbr>ARToolKit</wbr>](http://en.wikipedia.org/wiki/ARToolKit)	ARToolkit &#8211\. Marker based AR SDK - [http://en.wikipedia.org/wiki/<wbr>ARToolKit</wbr>](http://en.wikipedia.org/wiki/ARToolKit)

FLARToolkit &#8211\. Marker based AR SDK - [http://saqoo.sh/a/en/<wbr>flartoolkit/start-up-guide</wbr>](http://saqoo.sh/a/en/flartoolkit/start-up-guide)	FLARToolkit &#8211\. Marker based AR SDK - [http://saqoo.sh/a/en/<wbr>flartoolkit/start-up-guide</wbr>](http://saqoo.sh/a/en/flartoolkit/start-up-guide)

Kooaba &#8211\. Visual search platform - [http://kooaba.com](http://kooaba.com/)	Kooaba &#8211\. Visual search platform - [http://kooaba.com](http://kooaba.com/)

Catchoom &#8211\. Visual search platform - [http://catchoom.com/](http://catchoom.com/)	Catchoom &#8211\. Visual search platform - [http://catchoom.com/](http://catchoom.com/)

Google Googles &#8211\. Visual search app - [http://www.google.com/mobile/<wbr>goggles/#text</wbr>](http://www.google.com/mobile/goggles/#text)	Google Googles &#8211\. Visual search app - [http://www.google.com/mobile/<wbr>goggles/#text</wbr>](http://www.google.com/mobile/goggles/#text)

Vuzix 920AR &#8211\. Wearable display - [http://www.vuzix.com/consumer/<wbr>products_wrap920ar.html</wbr>](http://www.vuzix.com/consumer/products_wrap920ar.html)	Vuzix 920AR &#8211\. Wearable display - [http://www.vuzix.com/consumer/<wbr>products_wrap920ar.html</wbr>](http://www.vuzix.com/consumer/products_wrap920ar.html)

Project Glass &#8211\. Googles wearable display project - [http://www.youtube.com/watch?<wbr>v=9c6W4CCU9M4</wbr>](http://www.youtube.com/watch?v=9c6W4CCU9M4)	Project Glass &#8211\. Googles wearable display project - [http://www.youtube.com/watch?<wbr>v=9c6W4CCU9M4</wbr>](http://www.youtube.com/watch?v=9c6W4CCU9M4)

Mixed Reality &#8211\. Nokia’s vision for wearable displays [http://www.youtube.com/watch?<wbr>v=CGwvZWyLiBU</wbr>](http://www.youtube.com/watch?v=CGwvZWyLiBU)	Mixed Reality &#8211\. Nokia’s vision for wearable displays [http://www.youtube.com/watch?<wbr>v=CGwvZWyLiBU</wbr>](http://www.youtube.com/watch?v=CGwvZWyLiBU)

City Lens &#8211\. Nokia’s latest AR app - [http://www.youtube.com/watch?<wbr>v=63lNPkl-EPE&feature=youtu.be</wbr>](http://www.youtube.com/watch?v=63lNPkl-EPE&feature=youtu.be)	City Lens &#8211\. Nokia’s latest AR app - [http://www.youtube.com/watch?<wbr>v=63lNPkl-EPE&feature=youtu.be</wbr>](http://www.youtube.com/watch?v=63lNPkl-EPE&feature=youtu.be)

AR &#8211\. Wikipedia page - [http://en.wikipedia.org/wiki/<wbr>Augmented_reality</wbr>](http://en.wikipedia.org/wiki/Augmented_reality)	AR &#8211\. Wikipedia page - [http://en.wikipedia.org/wiki/<wbr>Augmented_reality</wbr>](http://en.wikipedia.org/wiki/Augmented_reality)

Steve Mann &#8211\. Wearable Computing Pioneer - [http://en.wikipedia.org/wiki/<wbr>Steve_Mann</wbr>](http://en.wikipedia.org/wiki/Steve_Mann)	Steve Mann &#8211\. Wearable Computing Pioneer - [http://en.wikipedia.org/wiki/<wbr>Steve_Mann</wbr>](http://en.wikipedia.org/wiki/Steve_Mann)

Thad Starner &#8211\. Wearable Computing Pioneer [http://en.wikipedia.org/wiki/<wbr>Thad_Starner</wbr>](http://en.wikipedia.org/wiki/Thad_Starner)	Thad Starner &#8211\. Wearable Computing Pioneer [http://en.wikipedia.org/wiki/<wbr>Thad_Starner</wbr>](http://en.wikipedia.org/wiki/Thad_Starner)

Mark Weiser &#8211\. Father of Pervasive Computing [http://en.wikipedia.org/wiki/<wbr>Mark_Weiser</wbr>](http://en.wikipedia.org/wiki/Mark_Weiser)	Mark Weiser &#8211\. Father of Pervasive Computing [http://en.wikipedia.org/wiki/<wbr>Mark_Weiser</wbr>](http://en.wikipedia.org/wiki/Mark_Weiser)

Geographical Data Tools](#geographical-data-tools)
	# Geographical Data Tools {#geographical-data-tools}

Check out the[ GeoRabble Boundary Mapper’s Cookbook](http://georabble.org/2012/05/31/the-boundary-mappers-cookbook/) to see how you can tie all these things together!	Check out the[ GeoRabble Boundary Mapper’s Cookbook](http://georabble.org/2012/05/31/the-boundary-mappers-cookbook/) to see how you can tie all these things together!

## Analysis	## Analysis

### PostGIS	### PostGIS

[![](http://www.govhack.org/wp-content/uploads/postgisexample-300x130.jpg "postgisexample")](http://www.govhack.org/wp-content/uploads/postgisexample.jpg)PostGIS is an extension for the PostgreSQL database server that allows you to store and manipulate geospatial data on a large scale. For example finding which points are in an area or what points are closest . It is also very useful for storing geospatial data because it can convert between all major formats including ESRI Shape files and Google Earth/Maps KML.	[![](http://www.govhack.org/wp-content/uploads/postgisexample-300x130.jpg "postgisexample")](http://www.govhack.org/wp-content/uploads/postgisexample.jpg)PostGIS is an extension for the PostgreSQL database server that allows you to store and manipulate geospatial data on a large scale. For example finding which points are in an area or what points are closest . It is also very useful for storing geospatial data because it can convert between all major formats including ESRI Shape files and Google Earth/Maps KML.

### Quantum GIS	### Quantum GIS

[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_m50afbe88-300x160.jpg "QGIS Screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_m50afbe88.jpg)QGIS is a graphical desktop application that allows viewing and editing of geospatial data. Some good base maps are available by adding the WMS layer/server [http://irs.gis-lab.info/](http://irs.gis-lab.info/)	[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_m50afbe88-300x160.jpg "QGIS Screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_m50afbe88.jpg)QGIS is a graphical desktop application that allows viewing and editing of geospatial data. Some good base maps are available by adding the WMS layer/server [http://irs.gis-lab.info/](http://irs.gis-lab.info/)

## Visualisation	## Visualisation

### Google Fusion Tables/ChartsBin/[OpenHeatMap](http://www.openheatmap.com/)	### Google Fusion Tables/ChartsBin/[OpenHeatMap](http://www.openheatmap.com/)

[![](http://www.govhack.org/wp-content/uploads/fusiontablesscreenshot-300x168.jpg "fusiontablesscreenshot")](http://www.govhack.org/wp-content/uploads/fusiontablesscreenshot.jpg)Input a numerical values and areas to a spreadsheet and maps are produced	[![](http://www.govhack.org/wp-content/uploads/fusiontablesscreenshot-300x168.jpg "fusiontablesscreenshot")](http://www.govhack.org/wp-content/uploads/fusiontablesscreenshot.jpg)Input a numerical values and areas to a spreadsheet and maps are produced

### [Cartographer.js](http://cartographer.visualmotive.com/)	### [Cartographer.js](http://cartographer.visualmotive.com/)

[![](http://www.govhack.org/wp-content/uploads/cartographerjs-300x187.png "cartographerjs screenshot")](http://www.govhack.org/wp-content/uploads/cartographerjs.png)Input data as JSON and maps are produced.	[![](http://www.govhack.org/wp-content/uploads/cartographerjs-300x187.png "cartographerjs screenshot")](http://www.govhack.org/wp-content/uploads/cartographerjs.png)Input data as JSON and maps are produced.



### OpenLayers/Google Maps/[Leaflet](http://leaflet.cloudmade.com/)	### OpenLayers/Google Maps/[Leaflet](http://leaflet.cloudmade.com/)

[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_512fcbe1-300x173.jpg "OpenLayers Screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_512fcbe1.jpg)Display points and different layers. Leaflet is the easiest to use if you just want to show points with popups when clicked on.	[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_512fcbe1-300x173.jpg "OpenLayers Screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_512fcbe1.jpg)Display points and different layers. Leaflet is the easiest to use if you just want to show points with popups when clicked on.

### NASA World Wind/Google Earth	### NASA World Wind/Google Earth

[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_4dda24a4-300x261.jpg "WorldWind screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_4dda24a4.jpg)Google Earth provides 3\. viewing of KML/GML files which represent points and shapes, both through a desktop application and a web plugin. These can be extended with interactive features that allow you to view by timeline or have animated tours between different points. You can also develop and customise your own viewer with the open source [NASA World Wind toolkit.](http://goworldwind.org/demos/)	[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_4dda24a4-300x261.jpg "WorldWind screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_4dda24a4.jpg)Google Earth provides 3\. viewing of KML/GML files which represent points and shapes, both through a desktop application and a web plugin. These can be extended with interactive features that allow you to view by timeline or have animated tours between different points. You can also develop and customise your own viewer with the open source [NASA World Wind toolkit.](http://goworldwind.org/demos/)

###	###

Tabular Data Tools](#tabular-data-tools)	# Tabular Data Tools {#tabular-data-tools}

## Analysis	## Analysis

### Excel / Calc	### Excel / Calc

Great basic analysis and viewing. Older versions can be limited to 6500\. or so rows. Eg [http://www.tcij.org/training-material/car/data-mining/3474](http://www.tcij.org/training-material/car/data-mining/3474)	Great basic analysis and viewing. Older versions can be limited to 6500\. or so rows. Eg [http://www.tcij.org/training-material/car/data-mining/3474](http://www.tcij.org/training-material/car/data-mining/3474)

### [DataWrangler](http://vis.stanford.edu/wrangler/)/[Google Refine](http://code.google.com/p/google-refine/)	### [DataWrangler](http://vis.stanford.edu/wrangler/)/[Google Refine](http://code.google.com/p/google-refine/)

[![](http://www.govhack.org/wp-content/uploads/google_refine_interface.png "google_refine_interface")](http://www.govhack.org/wp-content/uploads/google_refine_interface.png)Clean up duplicate or inconsistent data entries.	[![](http://www.govhack.org/wp-content/uploads/google_refine_interface.png "google_refine_interface")](http://www.govhack.org/wp-content/uploads/google_refine_interface.png)Clean up duplicate or inconsistent data entries.

### PostgreSQL/MySQL	### PostgreSQL/MySQL

[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_209ee972.jpg "SQL screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_209ee972.jpg)Next step up, large datasets can be manipulated/extracted efficiently for example [http://www.postgresql.org/docs/8.4/static/tutorial-window.html](http://www.postgresql.org/docs/8.4/static/tutorial-window.html) , no built-in data visualisation though.	[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_209ee972.jpg "SQL screenshot")](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_209ee972.jpg)Next step up, large datasets can be manipulated/extracted efficiently for example [http://www.postgresql.org/docs/8.4/static/tutorial-window.html](http://www.postgresql.org/docs/8.4/static/tutorial-window.html) , no built-in data visualisation though.

[Miso Dataset](http://misoproject.com/dataset/)	[Miso Dataset](http://misoproject.com/dataset/)



### R Statistical Language	### R Statistical Language

[![](http://www.govhack.org/wp-content/uploads/rstudio-windows-300x249.png "rstudio-windows")](http://www.govhack.org/wp-content/uploads/rstudio-windows.png)Advanced data analysis, can find and visualise trends in large datasets. Some reference resources to learn the language [http://cran.r-project.org/doc/manuals/R-intro.html ](http://cran.r-project.org/doc/manuals/R-intro.html)There are also some addons that provide graphical interfaces that make it easier to use such as Rattle [http://rattle.togaware.com/](http://rattle.togaware.com/) , RStudio [http://rstudio.org/](http://rstudio.org/) or Deducer [http://www.deducer.org/pmwiki/pmwiki.php?n=Main.DeducerManual](http://www.deducer.org/pmwiki/pmwiki.php?n=Main.DeducerManual)	[![](http://www.govhack.org/wp-content/uploads/rstudio-windows-300x249.png "rstudio-windows")](http://www.govhack.org/wp-content/uploads/rstudio-windows.png)Advanced data analysis, can find and visualise trends in large datasets. Some reference resources to learn the language [http://cran.r-project.org/doc/manuals/R-intro.html ](http://cran.r-project.org/doc/manuals/R-intro.html)There are also some addons that provide graphical interfaces that make it easier to use such as Rattle [http://rattle.togaware.com/](http://rattle.togaware.com/) , RStudio [http://rstudio.org/](http://rstudio.org/) or Deducer [http://www.deducer.org/pmwiki/pmwiki.php?n=Main.DeducerManual](http://www.deducer.org/pmwiki/pmwiki.php?n=Main.DeducerManual)

## Visualisation	## Visualisation

### [Tableau Desktop](http://www.tableausoftware.com/)	### [Tableau Desktop](http://www.tableausoftware.com/)

Create visualisations from various data formats by dragging and dropping. Free trial available on website. [![](http://www.govhack.org/wp-content/uploads/Tableau-Screenshot-300x190.jpg "Tableau Screenshot")](http://www.govhack.org/wp-content/uploads/Tableau-Screenshot.jpg)	Create visualisations from various data formats by dragging and dropping. Free trial available on website. [![](http://www.govhack.org/wp-content/uploads/Tableau-Screenshot-300x190.jpg "Tableau Screenshot")](http://www.govhack.org/wp-content/uploads/Tableau-Screenshot.jpg)

### [Flotr2](http://www.humblesoftware.com/flotr2/)/[Google Chart Tools](https://developers.google.com/chart/)	### [Flotr2](http://www.humblesoftware.com/flotr2/)/[Google Chart Tools](https://developers.google.com/chart/)

[![](http://www.govhack.org/wp-content/uploads/How-to-participate-in-GovHack_html_m11006fce-300x199.jpg "flotr2 screenshot")](http://www.govhack.org/wp-cont