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Programming Tips

Strengthen your programming skills with tips and techniques from the experts

Analytics | Data Visualization | Programming Tips

Robert AllisonOctober 24, 2017 0

Do you say coke, pop, or soda?

Quick Quiz! Where might you hear the following conversation? ... Waitress: "What would you like to drink, honey?" Customer: "I'll have a coke." Waitress: "What kind?" Customer: "Diet Pepsi." If you answered somewhere between Texas and Georgia, you would be correct! To those of us not from that area, it

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Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeOctober 23, 2017 0

Turnip plot redux

Last year, a user asked about creating a "Turnip Plot" as used in this study of Caesarian Section Rates. Primarily, this is similar to a histogram on the y-axis for each unique value on the y-axis. A marker is drawn for each occurrence, starting from the center. Back then, I

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Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeOctober 22, 2017 0

Tips and tricks: Segmented discrete axis

The previous post on Multiple Blank Categories showed how to include multiple blank categories on the axis. But, given the purpose for this was to separate different segments in the data, I also included ideas on how to segmented a discrete axis using reference lines or Block Plot. A similar idea

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Advanced Analytics | Programming Tips | SAS Administrators

Phil WeissOctober 20, 2017 0

Top 12 Advantages of SAS Viya

There are many compelling reasons existing SAS users might want to start integrating SAS Viya into their SAS9 programs and applications. For me, it comes down to ease-of-use, speed, and faster time-to-value. With the ability to traverse the (necessarily iterative) analytics lifecycle faster than before, we are now able to generate

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Programming Tips

Amber ElamOctober 20, 2017 0

Tips for using the IMPORT procedure to read files that contain delimiters

Reading an external file that contains delimiters (commas, tabs, or other characters such as a pipe character or an exclamation point) is easy when you use the IMPORT procedure. It's easy in that variable names are on row 1, the data starts on row 2, and the first 20 rows

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Learn SAS | Programming Tips | SAS Administrators

Leonid BatkhanOctober 20, 2017 0

Creating reports in style with SAS Enterprise Guide

“The difference between style and fashion is quality.” -Giorgio Armani With an out-of-the-box SAS Enterprise Guide (EG) installation, when you build a report in SAS EG it is displayed in a nice-looking default style. If you like it, you can keep it, and continue reading. If you don’t quite

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Data Visualization | Programming Tips

Warren F. KuhfeldOctober 19, 2017 0

Fun with ODS Graphics: Drawing and rotating an impossible triangle

I hope everyone has noticed some new shortcuts in Graphically Speaking. As you scroll down and look to the right, there are shortcuts for Sanjay's getting started and clinical graphs posts and one for my advanced blogs. When Sanjay asked me to make an icon for my advanced blogs, at

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Analytics | Data Visualization | Programming Tips

Robert AllisonOctober 17, 2017 0

RDU airport -vs- surrounding parks and nature

In growing areas such as the Research Triangle Park, there is always the tough decision between developing land for business, or keeping it natural for parks and recreation. SAS is fortunate to have the great hiking trails at Umstead Park just across the road to the north - it's the

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Sports & Entertainment | Travel

Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeOctober 16, 2017 0

Tips and tricks - Multiple blank categories on axis

Off and on, users have expressed the need to include multiple blank categories on a discrete axis. Often, this is desirable to separate groups of bars (or categories) in a graph due to some difference their definition. Such a case was discussed in this blog article on using non breaking

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Learn SAS | Programming Tips

Jim SimonOctober 16, 2017 0

How to format a macro variable

Would you like to format your macro variables? Easy! Just use the %FORMAT function, like this: What?! You never heard of the %FORMAT function? Of course not, cuz it doesn't exist! No problem. Just create it, like this: %macro format(value,format); %if %datatyp(&value)=CHAR %then %sysfunc(putc(&value,&format)); %else %left(%qsysfunc(putn(&value,&format))); %mend format; The %FORMAT

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Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeOctober 14, 2017 0

New Features in SAS 9.40M5 - Gradient fills

ODS Graphics procedures primarily strive towards the following goal: "Make simple graphs easy and complex graphs possible". SGPLOT procedure allows you create simple graphs with a single plot statement, and create complex graphs by layering together or combining multiple plot statements. Generally, the appearance follows the guidelines set by industry

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Data Visualization | Programming Tips

Warren F. KuhfeldOctober 12, 2017 0

Advanced ODS Graphics: Two types of axis tables

Axis tables can use the SUM= option to summarize data and display means, medians, sums, and percentages. They can instead be used to display data, text, and statistics without any summarization.

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Analytics | Data Visualization | Programming Tips

Robert AllisonOctober 11, 2017 0

Scottish Festivals and Highland Games

I recently took a trip to Scotland, to attend the Highland Games! (ok - that statement might be a tiny bit misleading) It was a very cool and interesting event, and I wondered where and when other such events might be happening. What better way to analyze this kind of

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Sports & Entertainment | Travel

Programming Tips

Rick WicklinOctober 11, 2017 0

Simulate correlations by using the Wishart distribution

The article "Fisher's transformation of the correlation coefficient" featured a Monte Carlo simulation that generated sample correlations from bivariate normal data. The simulation used three steps: Simulate B samples of size N from a bivariate normal distribution with correlation ρ. Use PROC CORR to compute the sample correlation matrix for

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Programming Tips

Chris Hemedinger

Chris HemedingerOctober 10, 2017 0

Reading and writing GZIP files with SAS

SAS 9.4 Maintenance 5 includes new support for reading and writing GZIP files directly. GZIP files, usually found with a .gz file extension, are a different format than ZIP files. Although both are forms of compressed files, a GZIP file is usually a compressed copy of a single file, whereas

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Data Visualization | Learn SAS | Programming Tips

Warren F. KuhfeldOctober 9, 2017 0

Advanced ODS Graphics: Axis tables that contain special characters

This post provides a general macro that enables you to easily display special characters (Unicode) in axis table columns.

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Programming Tips

Heat map of correlations between variables

Rick WicklinOctober 9, 2017 0

Order correlations by magnitude

Correlations between variables are typically displayed in a matrix. Because the correlation matrix is determined by the order of the variables, it is difficult to find the largest and smallest correlations, which is why analysts sometimes use colors to visualize the correlation matrix. Another visualization option is the pairwise correlation

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Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeOctober 6, 2017 0

New features with SAS 9.40 M5

SAS 9.4 maintenance release 5 was released on Sept 19, 2017. This release includes many new items including integration with SAS Viya and SAS Studio, a web application for SAS development. Also Included with this release are some cool new features in the graphics domain, some of which were requested

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Data Visualization | Programming Tips

Warren F. KuhfeldOctober 4, 2017 0

Introducing the new SAS/STAT lines plot

In PROC GLM and most other procedures that compute LS-means, mean comparisons are now displayed graphically. This makes comparisons between a large number of groups easier to interpret.

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Analytics | Data Visualization | Programming Tips

Robert AllisonOctober 3, 2017 0

Trends in U.S. refugee admissions

"Coming to America" - it's been the name of a funny movie and a dramatic song (can you name the actor & singer without cheating?!?) It's also been a dream for many, and an action for some. People have been coming to America both legally and illegally for many years, but there's one special category

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Government | Travel

Analytics | Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeOctober 1, 2017 0

Getting started with SGPLOT - Part 8 - Horizontal HighLow Plot

On a recent visit to an In-House Users Group meeting at a Pharmaceutical company, I presented a 1/2 day seminar on creating Clinical Graphs using SG Procedures. Polling the audience for their experience with these procedures indicated that many SAS users are not familiar with these new ways to create graphs. So,

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Data Visualization | Programming Tips

Warren F. KuhfeldSeptember 29, 2017 0

Advanced ODS Graphics: Monotonic functions

This post shows how to use PROC SGPLOT together with PROC TRANSREG to fit monotonically increasing or decreasing functions through a scatter plot.

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Analytics | Data Visualization | Programming Tips

Robert AllisonSeptember 27, 2017 0

Most popular international destination, from each US state

Orbitz recently published a map showing the most popular international travel destination for each of the 50 US states. It was an interesting map ... but of course, me being the Graph Guy, I had to pick it apart and create my own version. Follow along, and explore this interesting

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Learn SAS | Programming Tips

Results of a data-driven simulation in which parameters are stored in a file and processed by a SAS program

Rick WicklinSeptember 27, 2017 0

Data-driven simulation

In a large simulation study, it can be convenient to have a "control file" that contains the parameters for the study. My recent article about how to simulate multivariate normal clusters demonstrates a simple example of this technique. The simulation in that article uses an input data set that contains

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Analytics | Data Visualization | Programming Tips

Robert AllisonSeptember 25, 2017 0

The 'virtual wall' along the US/Mexican border

Recent news reports indicate that the number of illegal immigrants apprehended along the US/Mexican border has dropped significantly since Trump took office. So, even though Trump hasn't had time to build a physical wall, perhaps there's a virtual wall in place now (built from the change in attitudes)? I've seen

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Government | Travel

Analytics | Programming Tips

Rick WicklinSeptember 25, 2017 0

Simulate multivariate normal data in SAS by using PROC SIMNORMAL

My article about Fisher's transformation of the Pearson correlation contained a simulation. The simulation uses the RANDNORMAL function in SAS/IML software to simulate multivariate normal data. If you are a SAS programmer who does not have access to SAS/IML software, you can use the SIMNORMAL procedure in SAS/STAT software to

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Analytics | Data Visualization | Programming Tips

Robert AllisonSeptember 20, 2017 0

Amusement park attendance (could Wikipedia be wrong?!?)

How do the North American amusement parks compare in popularity? If this question was to come up during a lunch discussion, I bet someone would pull out their smartphone and go to Wikipedia for the answer. But is Wikipedia the definitive answer - how can we tell if Wikipedia is wrong?

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Sports & Entertainment | Travel

Data Visualization | Learn SAS | Programming Tips

Warren F. KuhfeldSeptember 18, 2017 0

Advanced ODS Graphics: Inserting a graph into a graph

You can use SG Annotation (and its GTL equivalent) to display one graph inside another.

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Programming Tips

Leonid BatkhanSeptember 15, 2017 0

Using a web browser as a SAS code editor

Whether you are a SAS code creator, a blogger, a technical writer, an editor-in-chief, an executive, a secretary, a developer or programmer in any programming language or simply someone who uses computer or hand-held device for writing, you need to read this blog post – your life is about to

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Data Visualization | Programming Tips

Marcia SurrattSeptember 15, 2017 0

PROC SGPLOT: There’s an ATTRS for that

The SGPLOT procedure (as well as other ODS Graphics procedures) does a great job of creating nice- looking output with very little coding. However, there are times when you want to make adjustments to the output's appearance. For those occasions, we have an ATTRS for that! The statements in PROC

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