The latest outputs from researchers, alumni and friends at the UCL Centre for Advanced Spatial Analysis (CASA).
As a followup to Tube Tongues I’ve published Working Lines which is exactly the same concept, except it looks at the occupation statistics from the 2011 census, and shows the most popular occupation by tube station. Again, lots of spatial clustering of results, and some interesting trends come out – for example, the prevalence of […]
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I’ve extended my map of tube journeys and busy stations (previous article here) to add in an interesting metric from the 2011 census – that of the second most commonly spoken language (after English) that people who live nearby speak. To do this I’ve analysed all “output areas” which wholly or partly lie within 200m […]
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I was in Vienna for most of last week, presenting at a satellite workshop of the GIScience conference, before joining the main event for the latter part of the week. GIScience is a biennial international academic conference, alternating between America and Europe. At the intersection between geography, GIS and information visualisation. It is very much […]
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I’m presenting a short paper today at the Uncertainty Workshop at GIScience 2014 in Vienna, looking at cartographic methods of showing uncertainty in the new OAC 2011 geodemographic maps of the UK using textures and hatching to the quality of fit of areas to their defined “supergroup” geodemographic cluster. Mapnik was used – its compositing […]
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A final update to my Scottish Independence Referendum Data Map – the circle borders now show the turnout percentage, with the highest (>90%) as a solid green, the lowest showing as red. There is a weak (R^2 = 0.177) negative correlation between the Yes vote %, and the Turnout %, suggesting that the Yes campaign […]
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As a learning exercise, I have attempted to “migrate” my #indyref map from OpenLayers 2.13.1 to OpenLayers 3.0.0. It seemed a good time to learn this, because the OpenLayers website now shows v3 as the default version for people to download and use. I use the term “migrate” in inverted commas, because, really, OpenLayers 3 […]
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Scotland’s population is heavily skewed towards the central belt (Glasgow/Edinburgh) which will affect likely reporting times of the independence referendum in the early hours of Friday 19 September, this being dependent both on the overall numbers of votes cast in each of the 32 council areas, and the time taken to get ballot boxes from […]
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The above graphic (click for full version) shows 12.4 million bicycle journeys taken on the Barclays Cycle Hire system in London over seven months, from 13 December 2013, when the south-west expansion to Putney and Hammersmith went live, until 19 July 2014 – the latest journey data available from Transport for London’s Open Data portal. It’s an update of a […]
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The 2011 Area Classification for Output Areas, or 2011 OAC, is a geodemographic classification that was developed by Dr Chris Gale during his Ph.D at UCL Geography over the last few years, in close conjunction with the Office for National Statistics, who have endorsed it and adopted it as their official classification and who collected […]
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The 2011 Area Classification for Output Areas, or 2011 OAC, is a geodemographic classification that was developed by Dr Chris Gale during his Ph.D at UCL Geography over the last few years, in close conjunction with the Office for National Statistics, who have endorsed it and adopted it as their official classification and who collected […]
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I attended the Big Data and Urban Informatics workshop in UIC Chicago in early August. My previous blog post outlined my presentation at the workshop. Here’s my notes and thoughts on some of the other talks that I attended. Above, the AURIN Workbench is a sophisticated platform for city authorities in Australia to output their […]
Continue reading »Earlier this month, I gave a short presentation at the Big Data and Urban Informatics Workshop, which took place at UIC (University of Illinois in Chicago). My presentation was an abridged version of a paper that I prepared for the workshop. In due course, I plan to publish the full paper, possibly as a CASA […]
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The Diamond Geezer is, this month, climbing the highest tops in each one of London’s 33 boroughs. To find the highest points, he’s used a number of websites which list the places. These derive the data from contour lines, perhaps supplemented with GPS or other measurements. However, another interesting – and new – datasource for […]
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Today, the Office for National Statistics (ONS) have released the Travel to Work Flows based on the 2011 census. These are a giant origin-destination matrix of where people commute to work. There are various tables that have been released. I’ve chosen the Method of Travel to Work and visualised the flows, for England and Wales, […]
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Today, the Office for National Statistics (ONS) have released the Travel to Work Flows based on the 2011 census. These are a giant origin-destination matrix of where people commute to work. There are various tables that have been released. I’ve chosen the Method of Travel to Work and visualised the flows, for England and Wales, […]
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Above is a Wordle of the messages displayed on the big dot-matrix displays (aka variable message signs) that sit beside major roads in London, over the last couple of months. The larger the word, the more often it is shown on the screens. The data comes from Transport for London via their Open Data Users […]
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The labels that appear on the map add some context, and help you find out where you are, but we realise that sometimes these labels can be less than helpful, and can obscure the data. With this in mind, we have now added a “Labels” button, beside the “Buildings” button, at the bottom. Clicking this […]
Continue reading »DataShine has been out for around a week now, and we’ve made some changes to fix small bugs. Specifically: DataShine should work much better in Internet Explorer 9 now, as we now prompt this browser to use compatibility mode, with which the website displays correctly. When showing a dataset that diverges around the mean, we […]
Continue reading »This is a more zoomed-out map, showing how the proportion of people stating they had no religion, varies around the the country. I’m using a ColorBrewer diverging colour ramp “BrBG” which diverges around the average value of around 25%. Turquoise areas show concentrations of large numbers of atheists. Live map here.
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This week, James and I launch DataShine: Census. This is part of the ESRC BODMAS project, here at UCL’s Centre for Advanced Spatial Analysis, that is led by James, and which started at the beginning of this year. DataShine: Census shows web maps of the Quick Statistics aggregate tables of Census data for England/Wales for […]
Continue reading »This map shows the proportion of people that consider themselves to be in very good health, in the Liverpool and Wirral area. By using a diverging colour scheme, it shows there are stark differences between the two sides of the River Mersey, and within Liverpool itself – even within the city centre area.
Continue reading »DataShine: Census uses ColorBrewer for its colours ramps. There are six ramps provided by default, which can be selected at the bottom of the website – five sequential ones and one diverging one, which is used for many maps where the standard deviation on the percentage population is a lot lower than the population percentage […]
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The south-west is known as a place where there are many second homes. In some villages, so many of the homes are empty for much of the year, or are simply holiday homes, that living there can seem even quieter than you would expect. Above is Newquay, the capital of surfing in the south-west and […]
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Cycling to work is on the increase but is at very low levels in most places in the UK – and there are very wide variations, even across towns and cities of similar size. Bristol (above) and London both see zones of high usage – typically in inner city suburbs popular with students and graduates: […]
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London is a significant destination for many people at various lifestages. One particularly popular inflow is university graduates looking for a place to live as they start their first career-minded job in the capital – coming from the other 100 or so universities in the UK outside London, or from Europe or elsewhere. It is […]
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Lewisham’s “data” I’ve been looking at a lot of London Borough council websites recently, for the Election Map. I’d rather I hadn’t – just one website would be better – but in London, each borough council publishes its local election results first and foremost to its own website, rather than it being pushed to a […]
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Here is the new political colour of London for 2014, following the local council elections last week. Rather than applying a simple colour to each of the 32 boroughs as most election maps do, I have instead represented all the 628 wards, across the boroughs, as a coloured circle. The map shows votes, not results. […]
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There’s a lot of ways you can define the centre of London. The Londonist had a good go last month, and CASA geographer Adam Dennett has a shot too, following an article in today’s Evening Standard newspaper. The former site of the Charing Cross, marked by a plaque in front of the Charles I statue […]
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I presented some research I’ve carried out at CASA, at the Cycle City conference in Leeds last week. The research shows how the numbers of bikeshare bikes and docking stations have varied between 2010 and 2014, for 46 systems across the world (not all systems have numbers for whole period of study). The numbers are […]
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I presented some research I’ve carried out at CASA, at the Cycle City conference in Leeds last week. The research shows how the numbers of bikeshare bikes and docking stations have varied between 2010 and 2014, for 46 systems across the world (not all systems have numbers for whole period of study). The numbers are […]
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A final post where I highlight more of the best papers at GISRUK 2014 in Glasgow – see Part 1 and Part 2. Geodemographic classification for Ireland It was an early start on a Bank Holiday Good Friday, particularly as I was commuting from Edinburgh, but I made it in for the second half of […]
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Following on from part one of my conference review, here are my favourite talks from the middle part of the conference. Social media and spatial modelling – Tweets and museums Robin Lovelace (Newcastle) won best paper at the end of the conference, for this talk on examining tweets “geofenced” around many local museums, to see […]
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I was at the Geographic Information Systems Research United Kingdom (GISRUK) 2014 conference last week. GISRUK is the key GIS conference for early-career academic researchers in the UK and Ireland, and is hosted by a different university in the British Isles each year. The audience are mainly UK academics, with young researchers and professors in […]
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I was at the Geographic Information Systems Research United Kingdom (GISRUK) 2014 conference last week. GISRUK is the key GIS conference for early-career academic researchers in the UK and Ireland, and is hosted by a different university in the British Isles each year. The audience are mainly UK academics, with young researchers and professors in […]
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[Updated – timeperiod-split maps added] Following on from my London bikeshare journeys graphic, here is the same technique applied with the data released by NYC Bike Share (aka Citi Bike) earlier this week. If you look carefully at the full size map you can see a thin line heading north-eastwards, initially well out of the […]
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[Updated – timeperiod-split maps added] Following on from my London bikeshare journeys graphic, here is the same technique applied with the data released by NYC Bike Share (aka Citi Bike) earlier this week. If you look carefully at the full size map you can see a thin line heading north-eastwards, initially well out of the […]
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The Open Knowledge Foundation (OKFN) have produced a census for government open data availability for countries around the world, known as the Open Data Index. Each country is assigned scores for 10 attributes on openness and accessibility for each of 10 types of data (such as election results and pollution information). Currently the United Kingdom […]
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The Open Knowledge Foundation (OKFN) have produced a census for government open data availability for countries around the world, known as the Open Data Index. Each country is assigned scores for 10 attributes on openness and accessibility for each of 10 types of data (such as election results and pollution information). Currently the United Kingdom […]
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Since launching the data store in early 2010, the Ordnance Survey have been releasing a number of updates to an interesting dataset – VectorMap District – which is a generalisation and simplification of their MasterMap “gold standard” dataset for Great Britain. The updates have been appearing roughly every 6-12 months, and by comparing them in […]
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Since launching the data store in early 2010, the Ordnance Survey have been releasing a number of updates to an interesting dataset – VectorMap District – which is a generalisation and simplification of their MasterMap “gold standard” dataset for Great Britain. The updates have been appearing roughly every 6-12 months, and by comparing them in […]
Continue reading »