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Frequently Asked Questions

What is the difference between the FNL and CDC Reanalysis data sets?

NOAA ARL Frequently Asked Questions
Is there a sanctioned way of retrieving the GFS data 4 times a day? I don't want to use the READY web interface in an automated script. http://www.windguru.cz/ is a good example of what I want to do, but with a subset of data a balloonist would find useful. I have been using the GFS model data to get soundings to assist me in the running of advanced gliding courses in Australia.
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How about data sets that can be used with GMT ?

GMT - Frequently Asked GMT Questions
Lots of data from the US national data centers (NOAA, USGS, NGDC, NEIC) can be used with GMT, and they are all freely available from these centers and individuals via the internet. For Unix/Windows CD-R compilations of several Gb of Earth and Ocean science data, see Geoware's GMT Companion CD-R and DVD-R products.
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edit] How about bittorrent for the data sets?

World Wind FAQ - World Wind Wiki
Because of the size of the data used, and the limited amount of data users download of the total available data, it is unlikely that p2p would make much of a dent in the problem of serving that data.
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Are the data in the digital data sets vector or raster data, and what is the difference?

Frequently Asked Questions
Both vector and raster data are in the digital data sets. The vector data are included so that users who want to insert geologic features or parts of features into their own work can pick, choose, and manipulate the specific features they are interested in. The vector format permits a high degree of interaction and manipulation of the geology when using appropriate software. Raster data are from a scanned image of the vector data plotted at 1:24,000 scale and are in jpg format.
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How fast is rdiff-backup? Can it be run on large data sets?

rdiff-backup FAQ
rdiff-backup can be limited by the CPU, disk IO, or available bandwidth, and the length of a session can be affected by the amount of data, how much the data changed, and how many files are present. That said, in the typical case the number/size of changed files is relatively small compared to that of unchanged files, and rdiff-backup is often either CPU or bandwidth bound, and takes time proportional to the total number of files.
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What is the difference between data elements and domain?

ABAP FAQ - ABAP Frequently Asked Question
A data element describes the contents of a field. For example, a data element contains the F1 help texts and the key Several fields with the same technical attributes can refer to the same domain. In this case, each of these fields has
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What is the difference between a "travel alert" and a "travel advisory" issued by CDC?

Sars FAQ
CDC issues two types of notices to travelers depending on specific situations: travel alerts and travel advisories. Travel alerts inform travelers of a health concern in a particular area and provide advice about specific precautions that should be taken. A travel advisory notifies travelers of potentially more serious situations and advises that non-essential travel be postponed. with all infectious illnesses, the first line of defense is careful hand hygiene.
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How are uncatalogued data sets handled?

arbutus software | Mainframe Integration, Mainframe Legacy D...
Uncatalogued data sets are generally not “visible” to Arbutus Analyzer or LegacyLink™ ad hoc processes. Uncatalogued data sets can be made available by allocating them in the session JCL and accessing them based on a DDNAME.
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How frequently are data sets updated?

FAQ's
The rate at which new series (or new years) of statistical data are added to existing data varies. To find this information about a specific data set, follow the instructions in question #3. Most descriptions of data sets include year(s) of available data.
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Are data sets available for my project?

MGIS Program, University of Calgary
In some cases data sets may be available from your supervisor, but you should not assume that this is the case. We do actively seek research projects with government and industry, and in many cases, data is provided. If there is a company or organization you would like to work with, it is worth approaching them to see if they are amenable to a partnership, where they provide the data, and you provide the analysis and results.
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When will my data sets expire?

QAS Support - FAQs - Data
This is different for every QuickAddress data set. Please refer to the Country Data Information section of the relevant Country Information Guide.
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How often are data sets updated by QAS?

QAS Support - FAQs - Data
This differs for every QuickAddress data set available, see data update frequencies for a complete overview of all update frequencies available. Alternatively, consult the relevant Country Information Guide for more detailed information.
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How about bittorrent for the data sets?

World Wind FAQ - World Wind Wiki
Because of the size of the data used, and the limited amount of data users download of the total available data, it is unlikely that p2p would make much of a dent in the problem of serving that data.
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Can I edit data sets on the site?

Many Eyes : FAQ
Currently you cannot edit data. If you need to correct a mistake, upload a new version of your file. The reason we don'tallow editing is that changes can make other people's comments an bookmarks obsolete.
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What is CDC?

Asia Divers FAQ
CDC (Career Development Center) is the highest level of PADI for any PADI dive center within the dive industry and Asia Divers is operated by two Course Director, Allan Nash & Warren Dixon. The PADI 5 Star Career Development Center (CDC) is a PADI 5 Star Instructor Development Center (IDC) that meets all PADI 5 Star IDC requirements and has dedicated its business to professional development training beyond introductory instructor development courses
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What is the difference between Part B Physician/Supplier data and Outpatient data?

Medicare Frequently Asked Questions (FAQ)
With a few exceptions (see "If I want outpatient data, what do I ask for?"), the Carrier dataset contains CMS1500 form claims related to services performed by physicians (non-institutional) that have been sent to carriers for payment. The Outpatient file contains UB-92 claims sent by outpatient institutions to fiscal intermediaries for payment. In the claims files, the residence information is recorded at the time of treatment.
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How do U.S. ART clinics report data to CDC about their success rates?

FAQ's: 2004 ART Report | CDC Reproductive Health
CDC contracts with a statistical survey research organization, Westat, to obtain the data published in the ART success rates report. Westat maintains a list of all ART clinics known to be in operation and tracks clinic reorganizations and closings. This list includes clinics and individual providers that are members of the Society for Assisted Reproductive Technology (SART) as well as clinics and providers that are not SART members.
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How did CDC determine the minimum necessary data needed for BioSense?

BioSense - FAQs
In determining the minimum necessary data for BioSense, input was solicited from both internal CDC and external epidemiologists and researchers in the field of biosurveillence. This input was used to define the data needed to support the new concept of real-time health situational awareness, the ability to monitor disease over time and geography. Using a range of threat scenarios and drawing on related experience and research, a patient level data set was defined.
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What types of data does CDC want to receive?

BioSense - FAQs
For BioSense, CDC is seeking specific data types such as non-identifying patient demographics, diagnoses, chief complaints, microbiology orders / results, radiology orders / results, medication orders, laboratory orders / results, and pharmacy data. To provide the broad view of public health needs, CDC is seeking all related data within those categories, especially for emergency department patients, ambulatory care patients, and inpatients.
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What are the different data sets?

CLOC - Frequently asked Questions
CLOC Data - The Core Dataset: contains data from all respondents, at all four waves (BL, W1, W2, W3). This is the complete dataset with 1532 records. This dataset contains the MacBat biomedical indicators but does not contain the clones. Couples Dataset: contains data from 423 couples (846 persons). At baseline, data were collected from both the husband and wife of 423 couples.
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How large are the data sets you offer?

GLCF: FAQ
Many of our files are served as binary files. This is due to the fact that support for binary raster files is relatively standard across platforms and image processing packages. Usually one will need the pixels and lines and relevant georeferencing information. This may be found in the metadata file issued with all data downloaded from one's Workspace. If the data was served from a project-specific page, the metadata is either included in the download or is listed on the page itself.
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How are data sets that are stored on tape handled?

arbutus software | Mainframe Integration, Mainframe Legacy D...
Arbutus Analyzer and LegacyLink™ treat data sets stored on tape as just another data set. As long as the tape data set is catalogued, and mounted, the end-user will not notice that the data came from a tape versus DASD.
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How are multiple volume data sets handled?

arbutus software | Mainframe Integration, Mainframe Legacy D...
Data sets that span multiple DASD or tape volumes are treated as any other data set. The end-user may experience a delay if multiple tape volumes must be mounted to satisfy a data request.
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How can I store more than 4 sets of Astro data?

ASTRO-FAQ - Frequently Asked Questions - Astrodienst
This is easy. Create a "registered user profile" instead of a simple "guest profile". You can store up to 100 sets of birth data. This doesn't oblige you to anything, and all the free services are still free. Just go to My Astro (top menu bar) and click the link Create a registered user profile.
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How do I access the research data sets that are on VUspace?

VUspace FAQ @ ITS: Information Technology Services - Vanderb...
To access the research data sets, you mount the 'datasets' VUspace. For details, refer to ITS Instruction & Research Services's web page, which has instructions for mounting the data sets, information about data analytic and storage issues, and other guidance on using VUspace for research purposes.
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Do you have the capability to handle large data sets?

Web-Surveys.Net - Online Research, Reporting and Business In...
Yes. Web-based survey data is collected/stored and compiled into an encrypted data file. There are virtually no limitations in terms of the number of cases our systems can handle in terms of the volume of survey traffic, and/or in the management/analysis of data files. On more than one occasion, we have managed data sets as large as 1,000,000 records comprised of over 500 variables.
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How many Data Sets can I store on one SD card?

Frequently Asked Questions on the Phasor XS
Let???s assume you are using an SD card of 512MB. Data files need a capacity of @ 500KB. That means this SD card is able to store up to 1000 data sets.
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