Sample Metadata

Sample Metadata

Sample metadata allows you to add important additional information to your study that can be used to create sample groups or make comparisons as part of your study design. Sample metadata can be uploaded from local storage or added to an ICA project.

Metadata mapping

Metadata columns are populated based on the information in your metadata TSV file. Metadata files are required per study. Upon importing a metadata file, the samples will automatically be updated to reflect the metadata attributes. The sample names in the metadata file must match those in the data files. For example, in the figure below, you can see that the Sample ID in the ADAT file matches the SampleID in the metadata file. As a result, the attribute columns in the metadata file will correspond with the metadata columns available for selection in the Samples table.

You can add multiple metadata files. In this case, any samples that do not overlap with existing ones will be added as new entries in the Samples table.

Download Sample Metadata file to modify for use

Download a formatted Metadata file example for your study to add more information. Make sure to correct the SampleID column header to match the exact name of the samples.

  • Navigate to Sample groups > Info > Download Metadata. Click the Sample groups tab, under Action click the Info button, then use the Download Metadata button to download an example metadata file to your machine which can then be modified for use.

Download Metadata example file for modification with attribute information

Upload sample metadata file to Connected Multiomics

Upload the sample metadata file to Connected Multiomics to update the sample records of the study.

  • Within a study, click + Add Data > Upload metadata

  • Upload data from your local or server based drives. Click Browse to select the files or drag and drop the files to the purple box.

Upload metadata file to an existing study

Using a sample metadata file contained in the Illumina Connected Analytics project

To add data, click the button in the top right. You can select data from an ICA project and choose your data type and format. TSV metadata files can always be selected. For example, if you choose Bulk > Proteomics as the data type, you will only see ADAT files and TSV files as options for upload.

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