Posts tagged with data viz
Michael Conover: Information Visualization for Large-Scale Data Workflows
- data geometry
- visual analysis of program structure
- visual analysis of propaganda
- compare last week’s analysis and share with colleagues
- automated grading: in addition to unit testing, 1) parse syntax trees of submissions, 2) define edit distance between them, 3) induces a network structure, 4) identify clusters, 5) give feedback to a representative member of the cluster and cc: everyone else
Presented at SF Data Mining on Oct 9, 2013 The ability to instrument and interrogate data as it moves through a processing pipeline is fundamental to effecti…
A billion chronically hungry people in the world via The Economist
- As you can see from the right-hand scale, during the 1990’s and 2000’s the “bottom billion” poorest people have been starving or close to it.
- Even though the right-hand scale is more important, the lines get graphical emphasis.
- Therefore the two pictures, though nearly equivalent in absolute terms, tell very different stories:
- Both stories were told by the
Food and Agriculture Organisation, of the United Nations.
- Of course statistical bodies revise estimates all the time.
- But still this juxtaposition warns us to question the facticity of numbers appearing in charts.
- All data come from somewhere. Just because the numbers appear on a chart doesn’t make them correct.