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Above all else, show the data
This requires bespoke design
Rather than a one-size-fits all approach
We used to have this...
Firstly: what is the data saying?
Then: how can this be shown...
Then a colleague discovered this
aim: to improve consistency across
geographically distributed service
data to ink ratio:
Data ink
(markers, labels, comments, notes)
we realised our guidelines
were not adhering to principles
of good statistical graphics
data ink
data ink + non-data ink
Non-data ink
(ticks, axes, gridlines, frames)
chart junk
...it took some enforced working
from home for me to read it...
in the shortest time
Although admittedly, Tufte sets the bar fairly high:
with the least ink
in the smallest space
Data density:
number of data points
area of graphic
Pragmatic approach - move
towards a new style rather than
try to change everything now.
Horses for courses - look at the
data and choose the best method
of presentation.
Improve:
- data to ink ratio (more data ink, less non-data ink)
- data density
Above all else, show the data
AIM:
to understand key principles of data presentation
and how to apply them to public health work
limited analytical resource-
these things take time
A key message is that with some thought,
charts and tables can often be improved
data density?
data to ink ratio? remove chart junk