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Advanced Analytics | Analytics
Tülay Stecher 0
Schnellstatistiken auf die Hand

Die letzten Jahre zeigen deutlich, wie rasant das Datenaufkommen in den Unternehmen wächst. Laut einer Prognose von Statista wird das Volumen der jährlich generierten digitalen Datenmenge weltweit in den kommenden 5 Jahren um das 5-fache (in Exabyte) steigen. Dies stellt sowohl die IT als auch die Fachbereiche vor immense Herausforderungen.

Data Visualization | Students & Educators
Katrina Miller 0
Dashboard vs. Scorecard: Measuring the Impact of Educator Preparation

With educator preparation programs (EPPs) under fire, states must make difficult decisions on how to hold EPPs accountable, provide information for program improvement, and offer consumer information to the public on EPP efficacy. In conversations I’ve had with state leaders grappling with this issue, I have seen a debate arise

Data Management
Jim Harris 0
Managing data where it lives

Historically, before data was managed it was moved to a central location. For a long time that central location was the staging area for an enterprise data warehouse (EDW). While EDWs and their staging areas are still in use – especially for structured, transactional and internally generated data – big

Rick Wicklin 0
Create a Koch snowflake with SAS

I have a fondness for fractals. In previous articles, I've used SAS to create some of my favorite fractals, including a fractal Christmas tree and the "devil's staircase" (Cantor ) function. Because winter is almost here, I think it is time to construct the Koch snowflake fractal in SAS. A

Analytics
Jennifer Bell 0
Pennsylvania principal uses student projections to foster academic success for more students

This student projections post kicks off a series highlighting education leaders sharing the celebrations, and challenges, of using data to drive school improvement. These are real teachers, principals and superintendents working to foster academic growth for every student in their schools and districts. As we near the end of the first

Rick Wicklin 0
Discover power laws by log-transforming data

A recent issue of Astronomy magazine mentioned Kepler's third law of planetary motion, which states "the square of a planet's orbital period is proportional to the cube of its average distance from the Sun" (Astronomy, Dec 2016, p. 17). The article included a graph (shown at the right) that shows

Rick Wicklin 0
Append data to add markers to SAS graphs

Do you want to create customized SAS graphs by using PROC SGPLOT and the other ODS graphics procedures? An essential skill that you need to learn is how to merge, join, append, and concatenate SAS data sets that come from different sources. The SAS statistical graphics procedures (SG procedures) enable

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