When using the GDC Data Transfer Tool, is it possible to set a bandwidth limit?
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The GDC Data Transfer Tool does not offer a setting to limit the bandwidth it uses.
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What is the recommended tool and protocol for transferring large volumes of data to or from the GDC?
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The GDC Data Transfer Tool is recommended for transferring large datasets to or from GDC. For additional details, please visit the GDC Data Transfer Tool User’s Guide.
How do I register my project with the GDC?
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Once the project has been registered through dbGaP please contact the GDC Helpdesk for assistance with setting up a new project.
Where do I go to report an issue or submit an inquiry about the GDC?
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The GDC provides helpdesk support for data submission and other issues. For information on the GDC helpdesk, please visit GDC Support.
How do I obtain an account to log in to the GDC?
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Generally, browsing indexed GDC metadata (such as information about the cases and files contained in the GDC Data Portal) does not require a login.
eRA Commons authentication and dbGaP authorization are required before accessing controlled data, which generally includes individually identifiable information such as low level genomic sequencing data and germline variants.
Controlled-access data users log in to the GDC using their eRA Commons accounts. The GDC then verifies that the user has authorization in dbGaP to access specific controlled datasets.
How does the GDC generate high level data?
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The GDC generates high level data for germline and somatic genotyping, RNA-Seq quantification and structural analysis, SNP Array Genotyping and CNV Calls, and variant annotations. Please visit GDC Data Harmonization for additional information on the GDC high level data generation pipelines.
What reference genome is the GDC harmonized against?
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The GDC is harmonized against GRCh38. Please see GDC Data Harmonization for additional information on the GDC pipelines for re-aligning genomic data.
What data types and file formats does the GDC support?
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Please visit the GDC Data Types and File Formats for a list of the standard data types supported by the GDC.
How do I submit data into the GDC?
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Information on the data submission processes and tools are available on the GDC Data Submission Processes and Tools page. Detailed instructions for submitting data into the GDC are provided in the GDC Data Submission Portal User's Guide. Per GDC Policy, organizations interested in submitting data into the GDC must first apply for data submitter access through the NIH database of Genotypes and Phenotypes (dbGaP).