This data set is a small subset of the full data set from The Cancer Genome Atlas that can be analysed with the DIABLO framework. It contains the expression or abundance of three matching omics data sets: mRNA, miRNA and proteomics for 150 breast cancer samples (Basal, Her2, Luminal A) in the training set, and 70 samples in the test set. The test set is missing the proteomics data set.
A list containing two data sets,
data.test which both include:
data frame with 150 (70) rows and 184 columns in the training (test) data set. The expression levels of 184 miRNA.
data frame with 150 (70) rows and 520 columns in the training (test) data set. The expression levels of 200 mRNA.
data frame with 150 (70) rows and 142 columns in the training data set only. The abundance of 142 proteins.
a factor indicating the brerast cancer subtypes in the training (length of 150) and test (length of 70) sets.
The data come from The Cancer Genome Atlas (TCGA, http://cancergenome.nih.gov/). We divided the data into a training (discovery) and test (validation) set. The protein dataset which had a limited number of subjects available was used to allocate subjects into the training set only, while the tes set included all remaining subject. Each data set was normalised and pre-processed. For illustrative purposes we drastically filtered the data here.
Singh A., Gautier B., Shannon C., Vacher M., Rohart F., Tebbutt S. and Lê Cao K.A. (2016). DIABLO - multi omics integration for biomarker discovery. Submitted.
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