Strengthen your programming skills with tips and techniques from the experts
This post shows ways to display the upper or lower triangle of a correlation matrix. You can also use colors to show the magnitude of the correlations.
The POSITION= option in the TEXT statement provides you with a way to position text in a variety of locations relative to a point. You can use this option to fine tune label placement in a plot primarily created by using the SCATTER statement and the DATALABEL= option.
Some people might think it's an urban legend that SAS gives its employees free M&M's. Well, I'm here to tell you it's true! Every Wednesday at the Cary headquarters, a bucket of M&M's shows up in each of the break rooms. I'm only half-kidding in my suspicion that this is
This post shows you how to animate text to create a message that appears one character at a time.
Finding a pattern like a phone number or national ID number embedded in text can be difficult and time consuming.
I recently read an interesting article about petroleum coke (petcoke). A lot of it is produced in the US, and lately a lot of it is consumed (burned) in India ... contributing to air pollution there. The article mentioned some numbers in the text, but the data was really begging to
In my previous post, I described a new options to control the widths of the caps for Whiskers, Error and Limit bars. This topic could have been titled "Little things go a long way", as such details really make for a good graph. In a similar manner, another detail issue
The internet is rich with data, and much of that data seems to exist only on web pages, which -- for some crazy reason -- are designed for humans to read. When students/researchers want to apply data science techniques to analyze collect and analyze that data, they often turn to
During my 35 years of using SAS® software, I have found the CNTLIN and CNTLOUT options in the FORMAT procedure to be among the most useful features that I routinely suggest to other SAS users. The CNTLIN option enables you to create user-defined formats from a SAS data set (input
Imputing missing data is the act of replacing missing data by nonmissing values. Mean imputation replaces missing data in a numerical variable by the mean value of the nonmissing values. This article shows how to perform mean imputation in SAS. It also presents three statistical drawbacks of mean imputation. How
Since Trump became the US president, many people have noticed that he posts a lot of tweets. While some people choose to analyze and critique the content of those tweets, I was more curious about something a little less controversial - the timing and frequency. Follow along as I dig into
Whether or not to legalize marijuana is a hotly debated topic these days. And no matter which side of the debate you're on, I think you will be interested in seeing several ways to visualize which states have legalized marijuana, and when ... Their Version Here's the original graph that
Missing values present challenges for the statistical analyst and data scientist. Many modeling techniques (such as regression) exclude observations that contain missing values, which can reduce the sample size and reduce the power of a statistical analysis. Before you try to deal with missing values in an analysis (for example,
The CAS procedure (PROC CAS) enables us to interact with SAS Cloud Analytic Services (CAS) from the SAS client based on the CASL (the scripting language of CAS) specification. CASL supports a variety of data types including INT, DOUBLE, STRING, TABLE, LIST, BLOB, and others. The result of a CAS
The SG procedures and GTL statements do a lot of work for us to display the data using the specified statements. This includes setting many details such as arrow heads, line patterns etc, including caps. Often, such details have a fixed design according to what seems reasonable for most use
The most highly anticipated business announcement this fall is probably the location for Amazon's second headquarters (dubbed HQ2). Amazon plans to spend $5 billion on their HQ2, and employ about 50,000 people in high-tech jobs. They received 238 proposals before their October 19 deadline, but haven't announced a winner yet.
When you run an optimization, it is often not clear how to provide the optimization algorithm with an initial guess for the parameters. A good guess converges quickly to the optimal solution whereas a bad guess might diverge or require many iterations to converge. Many people use a default value
If you're preparing a big Thanksgiving dinner, then you don't want to leave out the most popular side dish, do you?!? But what is the most popular side dish? ... If you don't already know, then perhaps some data & analytics can help! But before we get started, here's a
이 기사는 SAS Korea가 번역 및 편집했으며 원래 Rick Wicklin이 썼습니다. 원문이 여기에 있습니다. 이번 블로그를 통해 ODS 템플릿을 효율적으로 수정할 수 있는 SAS 프로그래밍 기법, 일명 ‘커펠드 템플릿 수정 기법(Kuhfeld’s Template Modification Technique; TMT)’을 소개하고자 합니다. 다섯 단계만 거치면 20줄 미만의 SAS 코드만으로 이 기법을 구현할 수 있는데요. 방법은 간단하지만
A statistical programmer read my article about the beta-binomial distribution and wanted to know how to compute the cumulative distribution (CDF) and the quantile function for this distribution. In general, if you know the PDF for a discrete distribution, you can also compute the CDF and quantile functions. This article
Social media has brought anniversary dates to the forefront. Every day, my view of Google Photos or Facebook shows me a collection of photos from exactly some number of years ago to remind me of how good things were back then. These apps are performing the simplest of date-based math
Here in the US, we're preparing to celebrate the Thanksgiving holiday. Therefore this Thursday most families in the US will be having a big turkey dinner. Although I'm a bachelor guy and eat out all the time, I'm actually a pretty good cook - and I'd like to share with
SAS Viya provides a robust, scalable, cloud-ready, distributed runtime engine. This engine is driven by CAS (Cloud Analytic Services), providing fast processing for many data management techniques that run distributive, i.e. using all threads on all defined compute nodes. Note: SAS Viya 3.5+ now supports the data set option APPEND=YES.
This article shows how to simulate beta-binomial data in SAS and how to compute the density function (PDF). The beta-binomial distribution is a discrete compound distribution. The "binomial" part of the name means that the discrete random variable X follows a binomial distribution with parameters N (number of trials) and
Information Dashboards were the hot topic a few years ago, but the hype seems to have died down lately. A good dashboard is still a very useful way to summarize, analyze, and share data - so I thought I'd re-visit the topic, and try to improve an old dashboard. Did
Have you heard? The ODS Destination for PowerPoint Has a New Option It’s true. The ODS destination for PowerPoint now has the STARTPAGE= option, which provides you with greater control and flexibility when creating presentations. Added to the ODS POWERPOINT statement in SAS® 9.4TS1M4, the STARTPAGE= option enables you to
We'll take a deeper dive into understanding item stores--the files in which compiled templates are stored--and ways in which you can access them. At the end, I will show you one of my new examples: displaying percentages in the Kaplan-Meier failure plot.
Did you know that a SAS/IML function can recover from a run-time error? You can specify how to handle run-time errors by using a programming technique that is similar to the modern "try-catch" technique, although the SAS/IML technique is an older implementation. Preventing errors versus handling errors In general, SAS/IML
In the previous post, I discussed creating a 2D grid of spark lines by Year and Claim Type. This graph was presented in the SESUG conference held last week on SAS campus in the paper ""Methods for creating Sparklines using SAS" by Rick Andrews. This grid of sparklines was actually the
Debugging is the bane of every programmer. SAS supports a DATA step debugger, but that debugger can't be used for debugging SAS/IML programs. In lieu of a formal debugger, many SAS/IML programmers resort to inserting multiple PRINT statements into a function definition. However, there is an easier way to query
