gdcCorPlot {GDCRNATools} | R Documentation

## Correlation plot of two genes/miRNAs

### Description

Scatter plot showing the expression correlation between two genes/miRNAs

### Usage

    gdcCorPlot(gene1, gene2, rna.expr, metadata)

### Arguments

`gene1` | an Ensembl gene id or miRBase v21 mature miRNA id
`gene2` | an Ensembl gene id or miRBase v21 mature miRNA id
`rna.expr` | `voom` transformed expression data
`metadata` | metadata parsed from `gdcParseMetadata`

### Value

A scatter plot with line of best fit

### Author(s)

Ruidong Li and Han Qu

### Examples

    genes <- c('ENSG00000000938','ENSG00000000971','ENSG00000001036',
            'ENSG00000001084','ENSG00000001167','ENSG00000001460')

    samples <- c('TCGA-2F-A9KO-01', 'TCGA-2F-A9KP-01',
                'TCGA-2F-A9KQ-01', 'TCGA-2F-A9KR-11',
                'TCGA-2F-A9KT-11', 'TCGA-2F-A9KW-11')

    metaMatrix <- data.frame(sample_type=rep(c('PrimaryTumor',
                            'SolidTissueNormal'),each=3),
                            sample=samples,
                            days_to_death=seq(100,600,100),
                            days_to_last_follow_up=rep(NA,6))

    rnaExpr <- matrix(c(2.7,7.0,4.9,6.9,4.6,2.5,
                        0.5,2.5,5.7,6.5,4.9,3.8,
                        2.1,2.9,5.9,5.7,4.5,3.5,
                        2.7,5.9,4.5,5.8,5.2,3.0,
                        2.5,2.2,5.3,4.4,4.4,2.9,
                        2.4,3.8,6.2,3.8,3.8,4.2),6,6)
    rownames(rnaExpr) <- genes
    colnames(rnaExpr) <- samples
    gdcCorPlot(gene1 = 'ENSG00000000938',
            gene2    = 'ENSG00000001084',
            rna.expr = rnaExpr,
            metadata = metaMatrix)

[Package GDCRNATools version 1.4.1 Index]