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Below, you will find a collection of articles, press releases and technical papers representing the company, our passions, and our people. 

An Introduction to the Analysis of Rare Events

Analyzing rare events like disease incidents, natural disasters, or component failures requires specialized statistical techniques since common methods like linear regression (PROC REG) are inappropriate. In this paper, we’ll first explain what it means to use a statistical model, then explain why…

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Graphing a Progression of Time Series Plots

Graphing is an essential step for exploratory data analysis and statistical modeling. However, when graphing an ordered progression of time series plots, it can be difficult to effectively display the progression without looking disorganized and chaotic. This paper shows a couple of…

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Getting Correct Results in Linear Regression

SAS® ’s implementation of linear regression is often used to fit a line without checking the underlying assumptions of the model or understanding the output. As a result, we can sometimes fit a line that is not appropriate for the data and…

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A Little Stats Won’t Hurt You

This paper gives an introduction to some basic but critically important concepts of statistics and data analysis for the SAS programmer who pulls or manipulates data, but who might not understand what goes into a proper data analysis. We first introduce some basic ideas of descriptive statistics for one-variable data and then expand those ideas into many variables. We then introduce the idea of statistical significance and then conclude with how all these ideas can be used to answer questions about the data. Examples and SAS® code are provided.
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