Posts Tagged ‘ Statistics ’

A useful star sign metaphor for the general concept of fitting models to data

February 24, 2016
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In “Explaining statistical methods to the terrified & disinterested: A focus on metaphors”, I discuss the usefulness of metaphors for explaining abstract statistical concepts to non-technical readers. This is an approach taken in my new SAS Press book, Business Statistics Made Easy in SAS®, since many readers of this level

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Advanced Analytics Software’s Most Important Feature? Gartner Says it’s VCF

February 22, 2016
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Advanced Analytics Software’s Most Important Feature? Gartner Says it’s VCF

The IT research firm, Gartner, Inc. has released its February 2016 report, Magic Quadrant for Advanced Analytics Platforms. The report’s main graph shows the completeness of each company’s vision plotted against its ability to achieve that vision (Figure 1.) I … Continue reading
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Explaining statistical methods to the terrified & disinterested: pictures & diagrams

February 18, 2016
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In a previous blog I suggested that many readers in many applied areas are reading statistics texts under duress for a course or project, and are in truth somewhere between disinterested and terrified. In my new SAS Press book Business Statistics Made Easy in SAS® I make use of various

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Estimating Analytics Software Market Share by Counting Books

June 9, 2015
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Below is the latest update to The Popularity of Data Analysis Software. Books The number of books published on each software package or language reflects its relative popularity. Amazon.com offers an advanced search method which works well for all the software except R … Continue reading
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Statistical Notes (3B): Confidence Intervals for Binomial Proportion Using SAS, Updated

May 23, 2015
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Statistical Notes (3B): Confidence Intervals for Binomial Proportion Using SAS, Updated

This quick note serves as a supplementnote of my previous Statistical Notes (3): Confidence Intervals for Binomial Proportion Using SAS which I will extend as a SESUG 2015 paper. Basically I added a new Blaker method to my CI_Single_Proportion.sas file and found more CIs from SAS PROC FREQ. First of all, call the script:...
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R Now Contains 150 Times as Many Commands as SAS

May 22, 2015
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R Now Contains 150 Times as Many Commands as SAS

by Bob Muenchen In my ongoing quest to analyze the world of analytics, I’ve updated the Growth in Capability section of The Popularity of Data Analysis Software. To save you the trouble of foraging through that tome, I’ve pasted it below. … Continue reading
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Calculating Covariance by SAS, A Brutal Way

May 12, 2015
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Calculating Covariance by SAS, A Brutal Way

It was very disappointed that there is only one built-in method to calculate covariance in Base SAS: that’s in PROC CORR (while you can also do it in SAS/IML, of course): The following is a quick-and-dirty way to get a function like %COV: %macro COV(data, var1,var2); %local _cov; %let rc = %sysfunc(dosubl(%str(     ods...
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Stata’s Academic Growth Nearly as Fast as R’s

May 11, 2015
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Stata’s Academic Growth Nearly as Fast as R’s

by Bob Muenchen Analytics tools take significant effort to master, so once learned people tend to stick with them for much of their careers. This makes the tools used in academia of particular interest in the study of future trends … Continue reading
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