Mike Bostock has written upward a corking introduction into the unlike methods that you lot tin hand notice role to compare the departure betwixt 2 unlike values inwards a mapped information visualization. To illustrate the methods of comparing he has used Deaths from Alcohol Use Disorders inwards 1980 in addition to 2014. To illustrate the departure inwards the issue of deaths from alcohol betwixt these 2 dates he has created a serial of interactive maps, each of which uses a unlike method to visualize the same data.
Methods of Comparison, Compared is published on Observable, Mike's platform for exploratory information analysis. Observable is non alone a platform for information analysis, visualization, in addition to exploration. It is likewise a platform for pedagogy in addition to sharing techniques inwards coding in addition to creating improve information visualization. 'Methods of Comparison, Compared' is a corking representative of this, equally it non alone includes a issue of interactive choropleth maps simply likewise explores in addition to explains the methodology used inwards their creation.
In comparing the alter inwards the issue alcohol related deaths inwards each United States of America county betwixt 1980 in addition to 2014 it is possible to role a issue of unlike methods. 'Methods of Comparison, Compared' shows 3 unlike choropleth maps, each of which uses a unlike method. These are a map showing the unproblematic departure inwards the issue of deaths betwixt the 2 dates, a mo map which shows the relative alter in addition to a 3rd map which shows the ratio.
Each method results inwards a unlike mapped visualization of the same data. Each method has its ain advantages in addition to disadvantages.
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