Challenge: Manipulating Genomic Data
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Write a function that takes a gene expression matrix, a vector of gene names, and a vector of sample names, and returns both the subsetted matrix and a vector of average expression values for each selected gene across the selected samples.
- Subset the input matrix to include only the specified genes (rows) and samples (columns).
- Calculate the average expression value for each selected gene across the selected samples.
- Return a list containing the subsetted matrix and the vector of average expression values.
Solution
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Swipe to start coding
Write a function that takes a gene expression matrix, a vector of gene names, and a vector of sample names, and returns both the subsetted matrix and a vector of average expression values for each selected gene across the selected samples.
- Subset the input matrix to include only the specified genes (rows) and samples (columns).
- Calculate the average expression value for each selected gene across the selected samples.
- Return a list containing the subsetted matrix and the vector of average expression values.
Solution
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