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Error bars
Posted April 8th, 2008 by Brad Langhorst
Sure would be nice to display some error bars on scatter plots.
Use these forums to ask questions and discuss Tableau.
Sure would be nice to display some error bars on scatter plots.
Comments
Please add some error bar (confidence interval) capability. I would imagine that business and finance folks would want at least a high-low-close chart for tracking stock prices.
There is the capability to set as an aggregation option, the variance. Which means that for some measures (the mean?) confidence intervals would be possible. Being able to see the confidence intervals is really a very important part of analysis. Tableau allows slicing and dicing data which is incredibly useful, but then the next step of being able to do a little inference would be a big help.
But beyond that one needs the capacity to use their own calculated confidence intervals and display them.
They are needed for trend plots and for bar charts.