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Data Visualization
Sanjay Matange 0
Dashboard graphs revisited

Here is the promised follow up on the Dashboard graph.  In the previous article, I posted the code to create a panel of bullet KPIs displaying three different metrics.  For each KPI, I used 5 columns of data which resulted in a wide and inconvenient structure. A more convenient data structure is

Data Visualization
Sanjay Matange 0
Dashboard graphs

In this blog we have been discussing graphs useful for analysis of data for many domains such as clinical research, forecasting and more.  SG Procedures and GTL are particularly suited for these use cases.  So, when I came upon a dashboard image from Steven Few's Visual Business Intelligence blog, showing the

Advanced Analytics
Rick Wicklin 0
What is Mahalanobis distance?

I previously described how to use Mahalanobis distance to find outliers in multivariate data. This article takes a closer look at Mahalanobis distance. A subsequent article will describe how you can compute Mahalanobis distance. Distance in standard units In statistics, we sometimes measure "nearness" or "farness" in terms of the

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