cartopedia.co.uk
Pivot Tables for R: Try sqldf | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/2013/05/21/pivot-tables-for-r-try-sqldf
Eclectic mix of geo reviews, tutorials and research. A New ‘SECReT’ Era Begins. Logging Data in R Loops: Applied to Twitter. →. Pivot Tables for R: Try sqldf. May 21, 2013. Sqldf("select * from irisTable"). This simple statement will request all columns (all indicated with *) from a table which you are basing your work on. Before we start we will create the sample data. We will use the Iris dataset and change column names to remove any full stops and spaces. By specifying the column names as they are dis...
cartopedia.co.uk
r-tutorial | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/category/r-tutorial
Eclectic mix of geo reviews, tutorials and research. Facet wrapping multivariate data: reshape and ggplot. June 2, 2013. A common problem when trying to show data is that the attributes that you want to map for comparison are stored in multiple rather than single variables. For example, proportion of employment by type. This practical will achieve tis using … Continue reading →. Logging Data in R Loops: Applied to Twitter. May 26, 2013. Pivot Tables for R: Try sqldf. May 21, 2013.
cartopedia.co.uk
Logging Data in R Loops: Applied to Twitter. | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/2013/05/26/logging-data-in-r-applied-to-twitter
Eclectic mix of geo reviews, tutorials and research. Pivot Tables for R: Try sqldf. Facet wrapping multivariate data: reshape and ggplot →. Logging Data in R Loops: Applied to Twitter. May 26, 2013. Package, making use of the SQL insert statement. The package will access the Twitter API version 1. Before we start it will be necessary to install the sqldf package to store the data, and the rjson to handle the data returned from the Twitter API. With the empty data.frame created we can initiate the SQL...
cartopedia.co.uk
Book review: Just My Type | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/2012/02/20/book-review-just-my-type1
Eclectic mix of geo reviews, tutorials and research. Visualising bike flow data in Processing. Book review: The map that changed the world →. Book review: Just My Type. February 20, 2012. Just My Type, written by Simon Garfield published September 2011. When you first see this book the sleeve is enough to make you pick it up. Targeted at the novice level, the book draws the reader into the world of type working through its history and exploring its meaning and role in history. Leave a Reply Cancel reply.
cartopedia.co.uk
Visualising bike flow data in Processing | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/2012/02/17/visualising-bike-flow-data-in-processing
Eclectic mix of geo reviews, tutorials and research. Book review: Map Of A Nation: A Biography Of The Ordnance Survey. Book review: Just My Type →. Visualising bike flow data in Processing. February 17, 2012. This visualisation is an improvement on the first but the mix of colours does not work as well as it could. This is addressed in the final visualisation below where the trip beginnings flash white. Though simple the effect through the video is to see the concentration of starts moving from t...The f...
cartopedia.co.uk
Uncategorized | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/category/uncategorized
Eclectic mix of geo reviews, tutorials and research. A New ‘SECReT’ Era Begins. September 23, 2012. Okay so its been a while since the last post and as you can imagine a lot has changed. Starting with the major updates, I have now completed my Masters of Research qualification at UCL’s CASA and am on the verge of … Continue reading →. Thoughts from Geo-12 (day2). March 25, 2012. Book review: The map that changed the world. March 19, 2012. Book review: Just My Type. February 20, 2012. February 17, 2012.
cartopedia.co.uk
R | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/category/r
Eclectic mix of geo reviews, tutorials and research. Logging Data in R Loops: Applied to Twitter. May 26, 2013. A problem that many users face in R is storing the output from loop operations. In the case of Twitter, we may be requesting the last specified number of Tweets from a number of Twitter users. Several methods exist for … Continue reading →. Proudly powered by WordPress.
cartopedia.co.uk
CASA | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/category/casa
Eclectic mix of geo reviews, tutorials and research. Building 3D Cartogram Globes. June 25, 2012. When we consider traditional cartograms, often our first thoughts are towards maps of poverty or wealth. Furthermore, we very expect to see a vector or raster based representation rather than a real world image. This post explored two aspects … Continue reading →. Creating 3D models in ArcScene with Sketchup (Tutorial). November 28, 2011. Google Streetview inside…Good or Bad? October 30, 2011. The country is...
cartopedia.co.uk
R | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/tag/r
Eclectic mix of geo reviews, tutorials and research. Pivot Tables for R: Try sqldf. May 21, 2013. Pivot tables are a a growing staple for analysis in excel yet they remain limited to the functionality which Microsoft has chosen to include. Typical operations are the inclusion of filters, choice over rows, columns, and maths operations. In R … Continue reading →. Proudly powered by WordPress.
cartopedia.co.uk
A New ‘SECReT’ Era Begins.. | Cartopedia.co.uk
http://www.cartopedia.co.uk/blog/2012/09/23/a-new-secret-era-begins
Eclectic mix of geo reviews, tutorials and research. Building 3D Cartogram Globes. Pivot Tables for R: Try sqldf →. A New ‘SECReT’ Era Begins. September 23, 2012. Okay so its been a while since the last post and as you can imagine a lot has changed. Starting with the major updates, I have now completed my Masters of Research qualification at UCL’s CASA. And am on the verge of beginning a PhD with UCL’s SECReT. In Bonn, Germany! Future Security 2012, Bonn. Though the conference presented a number of chall...