census

I need to make a classic looking population pyramid with D3.js. Something similar to this image: I have found a few examples that look really good ( this and this ) but they are more complex than I'm looking for. Does anyone know of a good SIMPLE example that I can look at? Any advice for starting this? Should I just be making two bar graphs next to each other, one for each sex group? The key to making a visualization like this is to spend a good amount of time setting up the layout in advance before you get to drawing anything. There are a few key measurements that you will want to use to

I am creating a .Net app in Visual Studio 2012 that queries an address table in my SQL dB and uses the Census Geocoding API to return the specific MSA for each address. I have existing code for the dB query, but I am having trouble with converting the Json output of the Census API to an Xml dataset. I am using Json.net to serialize the json output and then deserialize to .net in order to load into an XmlDocument. Unfortunately, I keep getting an XmlException error: Data at the root level is invalid. Line 1, position 1 Details: System.Xml.XmlException was unhandled HResult=-2146232000 Message

I'm very new to R and to mapping, and I would like to create a map of certain data. I have a set of data named "D.Montreal" which shows which canadian census division visitors to Montreal came from in 2010. I would like to create a map using this data to show how many people came from different regions, maybe by coloring the map in different colors depending on the number of people. Is there a package I can use to have the delimitations of census divisions in Canada? So far, I've made the outline of Canada : map("worldHires","Canada", xlim=c(-141,-53), ylim=c(40,85), col="grey90", fill=TRUE)