DIY statistical analysis: experience the thrill of touching real data | Ben Goldacre | Comment is free | The Guardian
http://www.guardian.co.uk/commentisfree/2011/oct/28/bad-science-diy-data-analysis
Series: Bad science
DIY statistical analysis: experience the thrill of touching real data
The story of one man’s efforts to re-analyse the stats behind a BBC report on bowel cancer is a heartwarmingly nerdy one
bowel cancer mortality rates funnel graph
A funnel plot of bowel cancer mortality rates in different areas of the UK
The BBC has found a story: “’Threefold variation’ in UK bowel cancer rates”. The average death rate across the UK from bowel cancer is 17.9 per 100,000 people, but in some places it’s as low as 9, and in some places it’s as high as 30. What can be causing this?
Santé Statistiques Data Données Visualisation