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How do I ...
How do I make a KM plot?
How do I compare tumor vs normal expression?
How do I remove null data (gray lines) from view?
How do I make subgroups?
How do I make more than 2 subgroups?
How do I make subgroups with geneA high and geneB high?
How do I compare gene expression between subgroups?
How do I compare gene expression between different cancer types?
How do I remove duplicate samples from a KM plot?
How do I view multiple types of cancer together?
How do I filter to just one cancer type
How do I view my data with the data from TCGA?
How do I change the color of a column?
How do I interact with the tooltip?
How do I cite UCSC Xena?
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How do I remove null data (gray lines) from view?

Sometimes not all samples in a dataset have data. This can happen for a variety of reasons, such as a particular patient's sample did not undergo one or more analyses. In this case, we use gray, or 'null' to show that there is no data.
To remove null data use the 'Remove samples with nulls' shortcut in the filter menu.

Example

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