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Data Visualization
Ian Jones 0
Time for VirtualOil 2.0?

Since our last VirtualOil update in May, oil prices have continued to take a beating. As the chart of the rolling five-year portfolio shows, much of our strip of options is now out-of-the-money and the average value per barrel of that optionality has sunk below $7. No surprise then that

Learn SAS
Jim Simon 0
Random Sampling: What's Efficient?

Suppose you wish to select a random sample from a large SAS dataset.  No problem. The PROC SURVEYSELECT step below randomly selects a 2 percent sample: proc surveyselect data=large out=sample method=srs /* simple random sample */ n=1000000; /* sample size */ run; Do you have a SAS/STAT license?   If not,

Internet of Things
Stuart Rose 0
Flipping the data equation

Big Data has become a technology buzzword. But how is Big Data changing insurance? Historically, insurance companies have used SMALL data to make BIG decisions. Today, insurers are using BIG data for SMALL decisions. What does this mean? Traditionally, insurance companies have aggregated data to group risks into broad categories

Data Visualization
Sanjay Matange 0
Broken Axis Redux

Often when the data includes some extreme difference in measures or some outliers, the plot of the data points can get skewed due to the need to accommodate the extreme outliers.  The bulk of the observations get squeezed into a smaller region of the plot.  While this may be useful

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