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#CheadleDA UK Biobank Data Analysts The helpers that keep the community running smoothly. UKB Community team Data Analyst

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Latest activity by #CheadleDA UK Biobank Data Analysts

  • #CheadleDA UK Biobank Data Analysts created an article,

    Why are datafields missing from my dataset?

    There are a number of reasons why this could happen. These are:  Many UK Biobank fields have data only for a subset of participants. The field page in Data Showcase will provide an estimate of how...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    Why is a whole field missing from my dataset?

    There are a few reasons fields can be missing from a dataset. These are:  You can see the Quick Start categories. These are used for adding data to a basket only include the most commonly requeste...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    What is malloc error in ukbfetch or ukblink?

    A malloc error is a memory allocation error, which means that your computer is not able to allocate enough space for the data. This error occurs in Windows. Using a Linux machine or using a Windows...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    Why does my keyfile not work?

    There are a number of reasons this can happen. These include:  You are using Linux, it may be necessary to change the permissions of the keyfile with a chmod command. Please make sure a copy of th...

    • #CheadleDA UK Biobank Data Analysts
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  • #CheadleDA UK Biobank Data Analysts created an article,

    Why does my notification email have no MD5?

    If a basket has only bulk data, and no tabular fields, then there will be no MD5 value in the notification email. Ignore Section 2 in the Data Access Guide. The keyfile that is attached to the noti...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    Why doesn't my MD5 work?

    To download the main tabular data of a basket, enter the 32-character MD5 code from the correct notification email. If it does not work, check that the code is copied correctly. If you cut and past...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    Why are there several fields for one disease?

    When participants attend an assessment visit, they answer questions about illnesses they have had before the visit. This self-report data is stored in fields 20002 and 20001. It is also provided in...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    What is the difference between ICD 9 and ICD 10 data?

    UK Biobank receives linked health-related outcomes data from the Cancer Registry, NHS Digital (Hospital Episode Statistics), Death Registry and Primary Care (GP) providers. Some of it is coded usin...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    Where is the UKB-RAP documentation?

    The UK Biobank Research Analysis Platform is hosted by DNAnexus. The main documentation is available by following this link: https://dnanexus.gitbook.io/uk-biobank-rap/ . Questions about using the ...

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  • #CheadleDA UK Biobank Data Analysts created an article,

    What is a data portal?

    The main tabular dataset in a basket has one row per participant. Some data, such as Hospital Episode Statistics, OMOP data, and Olink Proteomics data, are too sparse or structurally complex to fit...

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