Disk Quotas for Research Computing Home Directories
Description: Table of Contents What is a disk quota? What is the difference between a soft and hard disk quota? What is the default quota set for home directories in Research Computing? How do I know if I am over my limit? How do I know what value is set for my quota limits? What do […]
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Visualization Application – ECCE
Description: Overview ECCE stands for the Extensible Computational Chemistry Environment, which is a domain encompassing problem-solving environment for computational chemistry from Pacific Northwest National Laboratory. ECCE is composed of a suite of distributed client/server Linux-based Graphical User Interface applications seamlessly integrated together. The resulting environment enables research scientists to transparently utilize complex computational modeling software accessing […]
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What is Statistical Computing?
Description: What is Statistical Computing? Researchers and students at UNC-CH have access to centralized statistical computing facilities on KillDevil. The UNC Research Computing Group provides the system programming and administration for the servers, as well as technical and informational assistance for supported research software to the UNC-CH community. The statistical computing web pages are designed to […]
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Unix: ne Editor
Description: General Introduction The ne editor (short for “nice editor”) is a full-screen editor available for Unix systems. It was developed by Sebastiano Vigna of the University of Milan, Italy, to provide a friendly alternative to vi , another well-known Unix editor. Thus, ne was designed to be both user friendly and powerful. It provides the […]
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Scientific Application – NWChem
Description: Overview NWChem is a computational chemistry package that is designed to run on high-performance parallel supercomputers as well as conventional workstation clusters. It aims to be scalable both in its ability to treat large problems efficiently, and in its usage of available parallel computing resources. NWChem has been developed by the Molecular Sciences Software group […]
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Mathematical and Statistical Application – Stata – Introduction to Stata
Description:   Table of Contents Getting Started Loading Data Into Stata: Exploring and Modifying Data Analyzing Data The Next Level in Programming in Stata: Additional help Getting Started What is Stata? Stata is a fast and user-friendly statistical package, which provides comprehensive data management and analysis. Stata has pull down menus which let you submit commands […]
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Mathematical and Statistical Application – SAS – Common FAQs
Description:   Table of Contents How do I clear the Results and Graph windows every time I execute my program? How do I permanently store formats in SAS? How do I best export SAS graphs into Microsoft Office products? How do I increase the memory available for my SAS jobs on the Research Computing server? How […]
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VCL Frequently Asked Questions
Description: Basic Information Help Procedures for the VCL Reservations What if I need more time on my current reservation? What if I need more time on my reservation than the VCL allows? How do I turn on/off email notifications for reservations? Files and Data How can I copy files between my PC and my VCL session? […]
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Mathematical and Statistical Application – SAVAS
Description: Overview Based on the file extensions, the SAVAS c-shell script makes SAS (version 6.09 or later) data file copies of Stata (version 8 or later) data files or makes Stata (version 8 or later) data file copies of SAS (version 6.09 or later) data files. The SAVAS script is installed on the Research Computing server: […]
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Making a Reservation for an Image in the VCL
Description: Making a Reservation 1. Go to the VCL Home page. 2. If you are not already authenticated, you will be presented with a login screen. Select your affiliation and proceed to login. 3. Click the ‘Reservation’ link. 4. Click the New Reservation button. 5. Based on your level of access, you will be presented with […]
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