stephenfew   49

Are Mosaic Plots Worthwhile? | Perceptual Edge
Mosaic plots "aren’t necessary, because everything that they reveal can be seen using bar graphs. Mosaic plots are the result of a well-intentioned effort to put complex, multidimensional, part-to-whole data into a single graph. While it’s important to view all of the parts at once, it isn’t necessary to squeeze them into a single graph. A coordinated set of bar graphs can reveal the same relationships in a way that can be more easily and accurately perceived and understood."
charts  datavis  statistics  plot  graphics  graphs  howto  bar  chart  column  chart  graphical  stephenfew 
january 2015 by jflorablack
Visual Business Intelligence - Why Do We Visualize Quantitative Data?
Stephen Few's proposed reasons for why visualization helps human beings analyze quantitative data. Also some common myths about data visualization. Why visualize: Human brains can perform quantitative tasks graphically: 1) seeing the big picture, 2) Easily and rapidly compare values, 3) See patterns among values, and 4) Compare patterns to each other.
data  psychology  ux  visualization  stephenfew  Quantitative  dataviz  datavisualization 
january 2015 by jflorablack
Quantitative Distribution Displays, Conventional and Potential
Stephen Few's take on showing the statistical distribution of values across a given population. Compares and contrasts histograms, strip plots, quantile plots (strip plot divided into intervals, e.g. quartile for one-fourth or quarter intervals, decile for 10%-intervals). Box plots with outliers. Frequency polygons compared to box plots. New ways of representing information include adding median and range values in thin bars under a histogram column chart, along with outliers. On-demand interactive shape changes, between box and whisker plot and a frequency polygon (line graph), made available with a mouse click. Hierarchial histograms.
graph  data  dataviz  stephenfew  scale  histogram  strip  plot  plot  frequency  statistics  visualization  datavisualization  quantile 
january 2015 by jflorablack
What is "Big Data?" Visual Business Intelligence – If Big Data Is Anything at All, This Is It
Stephen Few's take on the term "Big Data" and the history around it. He defines it as, "Big Data is a rapid increase in public awareness that data is a valuable resource for discovering useful and sometimes potentially harmful knowledge." Also, "Data is indeed a valuable resource, but only if we develop the skills to make sense of it and find within the vast and exponentially growing noise those relatively few signals that actually matter."
etymology  big  data  data  definition  research  stephenfew  datavisualization 
january 2015 by jflorablack
Visual Business Intelligence – Performance Measurement
How to gather requirements for what should be included on a useful dashboard. Book recommendation from data visualization maven Stephen Few who knows the author (Stacey Barr) and recommends her when people have requirements questions around dashboard design.
requirements  recommended  stephenfew  dashboard  design  business  analysis  performance  measurement  metrics  howto 
january 2015 by jflorablack
Display Platforms for Quantitative Information
Stephen Few's comparison of quantitative data display platforms. Quantitative data displays are typically used for: Lookup, Narrative (telling a story), monitoring, guided data analysis, exploratory data analysis (EDA), and predictive analysis. Display platforms that support those uses are: Lookup report, Explanatory Report, Infographic, Live presentation, Dashboard, Analytical Application, EDA Tool, Predictive Model. Those platforms vary by characteristics: Interaction (users working with the data), Frequency of use, Data update frequency, Urgency of response, Analytical sophistication of the audience/users, and medium of display (paper, screen, desktop, tablet, smartphone).
stephenfew  display  platforms  comparison  analysis  analytics  data  visualization  application  business  intelligence  tools  frequency  usability 
january 2015 by jflorablack
Bullet Graph Design Specification - www.perceptualedge.com/articles/misc/Bullet_Graph_Design_Spec.pdf
Stephen Few's super-detailed graphic specification for making bullet charts/graphs. Includes color, stroke width, and color intensity for comparing different states of data values and ranges.
bullet  bulletgraph  stephenfew  visualization  dataviz  pdf  4f  4fui  measurement  graphics  metrics  datavisualization 
january 2015 by jflorablack

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