Posts Tagged ‘ time series ’

Absorbing Markov chains in SAS

July 13, 2016
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Absorbing Markov chains in SAS

Last week I showed how to represent a Markov transition matrix in the SAS/IML matrix language. I also showed how to use matrix multiplication to iterate a state vector, thereby producing a discrete-time forecast of the state of the Markov chain system. This article shows that the expected behavior of

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Markov transition matrices in SAS/IML

July 7, 2016
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Markov transition matrices in SAS/IML

Many computations in elementary probability assume that the probability of an event is independent of previous trials. For example, if you toss a coin twice, the probability of observing "heads" on the second toss does not depend on the result of the first toss. However, there are situations in which

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Tracking our local lake rise 20-ft above normal

March 7, 2016
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We recently had a flooding event at Jordan Lake where the water rose almost 20 feet above normal. This blog details that flooding event in both photos and graphs. If you're intrigued by weather, boats, or lakes then this blog's for you! In NC's Research Triangle Park area, there are basically two

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How to build a customized voter registration data viewer

November 13, 2015
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With a major election coming next year, I was wondering if there have been any shifts & changes in the voters in my state.  This seems like an interesting opportunity for some data analysis, eh!?! To get you into the spirit of elections, here's an "I Voted" sticker from my friend

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Do Italians really drink less alcohol than Americans?

May 26, 2015
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I saw an interesting graph on dadaviz.com that claimed Italians had gone from drinking twice as much as Americans in 1970, to less than Americans in recent years. The data analyst in me just had to "independently verify" this factoid ... But before I get into the technical part of this

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Example 9.11: Employment plot

October 25, 2011
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Example 9.11: Employment plot

A facebook friend posted the picture reproduced above-- it makes the case that President Obama has been a successful creator of jobs, and also paints GW Bush as a president who lost jobs. Another friend pointed out that to be fair, all of Bush's presi...
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Example 9.11: Employment plot

October 25, 2011
By
Example 9.11: Employment plot

A facebook friend posted the picture reproduced above-- it makes the case that President Obama has been a successful creator of jobs, and also paints GW Bush as a president who lost jobs. Another friend pointed out that to be fair, all of Bush's presi...
Read more »

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Posted in SAS | Comments Off on Example 9.11: Employment plot

Example 9.11: Employment plot

October 25, 2011
By
Example 9.11: Employment plot

A facebook friend posted the picture reproduced above-- it makes the case that President Obama has been a successful creator of jobs, and also paints GW Bush as a president who lost jobs. Another friend pointed out that to be fair, all of Bush's presi...
Read more »

Tags: , , , , , , , , , , , , ,
Posted in SAS | Comments Off on Example 9.11: Employment plot

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